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Finding the Fourth Proportional to 89,637.30, 134,747.55 and 63,522.90

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Solution

The fourth proportional to 89,637.30, 134,747.55 and 63,522.90 is: 95,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637.30 : 134,747.55 = 63,522.90 : x
  2. Step 2: Convert to fraction form
    89,637.30/134,747.55 = 63,522.90/x
  3. Step 3: Cross multiply
    89,637.30x = 134,747.55 × 63,522.90
  4. Step 4: Simplify right side
    89,637.30x = 8,559,555,143.90
  5. Step 5: Solve for x
    x = 8,559,555,143.90/89,637.30
  6. Step 6: Final answer
    x = 95,491.00

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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.