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Finding the Fourth Proportional to 71,248.59, 98,307.14 and 42,560.55

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Solution

The fourth proportional to 71,248.59, 98,307.14 and 42,560.55 is: 58,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,248.59 : 98,307.14 = 42,560.55 : x
  2. Step 2: Convert to fraction form
    71,248.59/98,307.14 = 42,560.55/x
  3. Step 3: Cross multiply
    71,248.59x = 98,307.14 × 42,560.55
  4. Step 4: Simplify right side
    71,248.59x = 4,184,005,734.52
  5. Step 5: Solve for x
    x = 4,184,005,734.52/71,248.59
  6. Step 6: Final answer
    x = 58,724.05

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1.5x scale

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.