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Finding the Fourth Proportional to 88,808.40, 133,358.40 and 59,356.80

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Solution

The fourth proportional to 88,808.40, 133,358.40 and 59,356.80 is: 89,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,808.40 : 133,358.40 = 59,356.80 : x
  2. Step 2: Convert to fraction form
    88,808.40/133,358.40 = 59,356.80/x
  3. Step 3: Cross multiply
    88,808.40x = 133,358.40 × 59,356.80
  4. Step 4: Simplify right side
    88,808.40x = 7,915,727,877.12
  5. Step 5: Solve for x
    x = 7,915,727,877.12/88,808.40
  6. Step 6: Final answer
    x = 89,132.65

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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.