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Finding the Fourth Proportional to 133,572.08, 200,459.68 and 49,411.84

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Solution

The fourth proportional to 133,572.08, 200,459.68 and 49,411.84 is: 74,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,572.08 : 200,459.68 = 49,411.84 : x
  2. Step 2: Convert to fraction form
    133,572.08/200,459.68 = 49,411.84/x
  3. Step 3: Cross multiply
    133,572.08x = 200,459.68 × 49,411.84
  4. Step 4: Simplify right side
    133,572.08x = 9,905,081,634.61
  5. Step 5: Solve for x
    x = 9,905,081,634.61/133,572.08
  6. Step 6: Final answer
    x = 74,155.33

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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.