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Finding the Fourth Proportional to 145,474.62, 200,687.19 and 94,483.74

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Solution

The fourth proportional to 145,474.62, 200,687.19 and 94,483.74 is: 130,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,474.62 : 200,687.19 = 94,483.74 : x
  2. Step 2: Convert to fraction form
    145,474.62/200,687.19 = 94,483.74/x
  3. Step 3: Cross multiply
    145,474.62x = 200,687.19 × 94,483.74
  4. Step 4: Simplify right side
    145,474.62x = 18,961,676,281.29
  5. Step 5: Solve for x
    x = 18,961,676,281.29/145,474.62
  6. Step 6: Final answer
    x = 130,343.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.