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Finding the Fourth Proportional to 61,809.40, 92,615.10 and 60,169.24

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Solution

The fourth proportional to 61,809.40, 92,615.10 and 60,169.24 is: 90,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.40 : 92,615.10 = 60,169.24 : x
  2. Step 2: Convert to fraction form
    61,809.40/92,615.10 = 60,169.24/x
  3. Step 3: Cross multiply
    61,809.40x = 92,615.10 × 60,169.24
  4. Step 4: Simplify right side
    61,809.40x = 5,572,580,179.52
  5. Step 5: Solve for x
    x = 5,572,580,179.52/61,809.40
  6. Step 6: Final answer
    x = 90,157.49

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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.