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Finding the Fourth Proportional to 133,680.10, 200,192.10 and 89,065.30

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Solution

The fourth proportional to 133,680.10, 200,192.10 and 89,065.30 is: 133,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,680.10 : 200,192.10 = 89,065.30 : x
  2. Step 2: Convert to fraction form
    133,680.10/200,192.10 = 89,065.30/x
  3. Step 3: Cross multiply
    133,680.10x = 200,192.10 × 89,065.30
  4. Step 4: Simplify right side
    133,680.10x = 17,830,169,444.13
  5. Step 5: Solve for x
    x = 17,830,169,444.13/133,680.10
  6. Step 6: Final answer
    x = 133,379.38

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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.