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Finding the Fourth Proportional to 216,499.60, 324,711.12 and 58,740.35

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Solution

The fourth proportional to 216,499.60, 324,711.12 and 58,740.35 is: 88,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,499.60 : 324,711.12 = 58,740.35 : x
  2. Step 2: Convert to fraction form
    216,499.60/324,711.12 = 58,740.35/x
  3. Step 3: Cross multiply
    216,499.60x = 324,711.12 × 58,740.35
  4. Step 4: Simplify right side
    216,499.60x = 19,073,644,837.69
  5. Step 5: Solve for x
    x = 19,073,644,837.69/216,499.60
  6. Step 6: Final answer
    x = 88,100.14

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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.