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Finding the Fourth Proportional to 103,660.52, 155,646.30 and 59,337.32

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Solution

The fourth proportional to 103,660.52, 155,646.30 and 59,337.32 is: 89,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.52 : 155,646.30 = 59,337.32 : x
  2. Step 2: Convert to fraction form
    103,660.52/155,646.30 = 59,337.32/x
  3. Step 3: Cross multiply
    103,660.52x = 155,646.30 × 59,337.32
  4. Step 4: Simplify right side
    103,660.52x = 9,235,634,309.92
  5. Step 5: Solve for x
    x = 9,235,634,309.92/103,660.52
  6. Step 6: Final answer
    x = 89,095.00

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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.