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Finding the Fourth Proportional to 145,165,427.60, 203,500,337.20 and 145,165,427.60

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Solution

The fourth proportional to 145,165,427.60, 203,500,337.20 and 145,165,427.60 is: 203,500,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,165,427.60 : 203,500,337.20 = 145,165,427.60 : x
  2. Step 2: Convert to fraction form
    145,165,427.60/203,500,337.20 = 145,165,427.60/x
  3. Step 3: Cross multiply
    145,165,427.60x = 203,500,337.20 × 145,165,427.60
  4. Step 4: Simplify right side
    145,165,427.60x = 29,541,213,466,382,184
  5. Step 5: Solve for x
    x = 29,541,213,466,382,184/145,165,427.60
  6. Step 6: Final answer
    x = 203,500,337.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.