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Finding the Fourth Proportional to 97,083.60, 145,630.20 and 50,427.60

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Solution

The fourth proportional to 97,083.60, 145,630.20 and 50,427.60 is: 75,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,083.60 : 145,630.20 = 50,427.60 : x
  2. Step 2: Convert to fraction form
    97,083.60/145,630.20 = 50,427.60/x
  3. Step 3: Cross multiply
    97,083.60x = 145,630.20 × 50,427.60
  4. Step 4: Simplify right side
    97,083.60x = 7,343,781,473.52
  5. Step 5: Solve for x
    x = 7,343,781,473.52/97,083.60
  6. Step 6: Final answer
    x = 75,643.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.