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Finding the Fourth Proportional to 134,597.47, 201,705.72 and 74,652.33

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Solution

The fourth proportional to 134,597.47, 201,705.72 and 74,652.33 is: 111,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,597.47 : 201,705.72 = 74,652.33 : x
  2. Step 2: Convert to fraction form
    134,597.47/201,705.72 = 74,652.33/x
  3. Step 3: Cross multiply
    134,597.47x = 201,705.72 × 74,652.33
  4. Step 4: Simplify right side
    134,597.47x = 15,057,802,658.74
  5. Step 5: Solve for x
    x = 15,057,802,658.74/134,597.47
  6. Step 6: Final answer
    x = 111,872.85

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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.