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Finding the Fourth Proportional to 89,068.60, 133,602.90 and 88,454.20

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Solution

The fourth proportional to 89,068.60, 133,602.90 and 88,454.20 is: 132,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068.60 : 133,602.90 = 88,454.20 : x
  2. Step 2: Convert to fraction form
    89,068.60/133,602.90 = 88,454.20/x
  3. Step 3: Cross multiply
    89,068.60x = 133,602.90 × 88,454.20
  4. Step 4: Simplify right side
    89,068.60x = 11,817,737,637.18
  5. Step 5: Solve for x
    x = 11,817,737,637.18/89,068.60
  6. Step 6: Final answer
    x = 132,681.30

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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.