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Finding the Fourth Proportional to 97,165.47, 134,088.80 and 54,724.71

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Solution

The fourth proportional to 97,165.47, 134,088.80 and 54,724.71 is: 75,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,165.47 : 134,088.80 = 54,724.71 : x
  2. Step 2: Convert to fraction form
    97,165.47/134,088.80 = 54,724.71/x
  3. Step 3: Cross multiply
    97,165.47x = 134,088.80 × 54,724.71
  4. Step 4: Simplify right side
    97,165.47x = 7,337,970,420.62
  5. Step 5: Solve for x
    x = 7,337,970,420.62/97,165.47
  6. Step 6: Final answer
    x = 75,520.35

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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.