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Finding the Fourth Proportional to 89,068.10, 133,602.15 and 83,192.90

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Solution

The fourth proportional to 89,068.10, 133,602.15 and 83,192.90 is: 124,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068.10 : 133,602.15 = 83,192.90 : x
  2. Step 2: Convert to fraction form
    89,068.10/133,602.15 = 83,192.90/x
  3. Step 3: Cross multiply
    89,068.10x = 133,602.15 × 83,192.90
  4. Step 4: Simplify right side
    89,068.10x = 11,114,750,304.74
  5. Step 5: Solve for x
    x = 11,114,750,304.74/89,068.10
  6. Step 6: Final answer
    x = 124,789.35

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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.