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Finding the Fourth Proportional to 89,023.80, 133,827.30 and 62,909.40

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Solution

The fourth proportional to 89,023.80, 133,827.30 and 62,909.40 is: 94,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.80 : 133,827.30 = 62,909.40 : x
  2. Step 2: Convert to fraction form
    89,023.80/133,827.30 = 62,909.40/x
  3. Step 3: Cross multiply
    89,023.80x = 133,827.30 × 62,909.40
  4. Step 4: Simplify right side
    89,023.80x = 8,418,995,146.62
  5. Step 5: Solve for x
    x = 8,418,995,146.62/89,023.80
  6. Step 6: Final answer
    x = 94,570.16

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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.