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Finding the Fourth Proportional to 93,998.12, 129,724.27 and 53,711.03

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Solution

The fourth proportional to 93,998.12, 129,724.27 and 53,711.03 is: 74,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,998.12 : 129,724.27 = 53,711.03 : x
  2. Step 2: Convert to fraction form
    93,998.12/129,724.27 = 53,711.03/x
  3. Step 3: Cross multiply
    93,998.12x = 129,724.27 × 53,711.03
  4. Step 4: Simplify right side
    93,998.12x = 6,967,624,347.73
  5. Step 5: Solve for x
    x = 6,967,624,347.73/93,998.12
  6. Step 6: Final answer
    x = 74,125.15

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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.