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Finding the Fourth Proportional to 133,488.61, 200,159.10 and 101,479.13

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Solution

The fourth proportional to 133,488.61, 200,159.10 and 101,479.13 is: 152,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,488.61 : 200,159.10 = 101,479.13 : x
  2. Step 2: Convert to fraction form
    133,488.61/200,159.10 = 101,479.13/x
  3. Step 3: Cross multiply
    133,488.61x = 200,159.10 × 101,479.13
  4. Step 4: Simplify right side
    133,488.61x = 20,311,971,079.38
  5. Step 5: Solve for x
    x = 20,311,971,079.38/133,488.61
  6. Step 6: Final answer
    x = 152,162.58

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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.