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Finding the Fourth Proportional to 134,388.08, 201,706.84 and 67,874.93

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Solution

The fourth proportional to 134,388.08, 201,706.84 and 67,874.93 is: 101,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,388.08 : 201,706.84 = 67,874.93 : x
  2. Step 2: Convert to fraction form
    134,388.08/201,706.84 = 67,874.93/x
  3. Step 3: Cross multiply
    134,388.08x = 201,706.84 × 67,874.93
  4. Step 4: Simplify right side
    134,388.08x = 13,690,837,645.52
  5. Step 5: Solve for x
    x = 13,690,837,645.52/134,388.08
  6. Step 6: Final answer
    x = 101,875.39

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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.