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Finding the Fourth Proportional to 93,459.35, 129,004.65 and 74,374.13

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Solution

The fourth proportional to 93,459.35, 129,004.65 and 74,374.13 is: 102,660.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,459.35 : 129,004.65 = 74,374.13 : x
  2. Step 2: Convert to fraction form
    93,459.35/129,004.65 = 74,374.13/x
  3. Step 3: Cross multiply
    93,459.35x = 129,004.65 × 74,374.13
  4. Step 4: Simplify right side
    93,459.35x = 9,594,607,964.68
  5. Step 5: Solve for x
    x = 9,594,607,964.68/93,459.35
  6. Step 6: Final answer
    x = 102,660.77

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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.