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Finding the Fourth Proportional to 89,033.48, 133,500.29 and 60,985.20

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Solution

The fourth proportional to 89,033.48, 133,500.29 and 60,985.20 is: 91,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.48 : 133,500.29 = 60,985.20 : x
  2. Step 2: Convert to fraction form
    89,033.48/133,500.29 = 60,985.20/x
  3. Step 3: Cross multiply
    89,033.48x = 133,500.29 × 60,985.20
  4. Step 4: Simplify right side
    89,033.48x = 8,141,541,885.71
  5. Step 5: Solve for x
    x = 8,141,541,885.71/89,033.48
  6. Step 6: Final answer
    x = 91,443.60

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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.