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Finding the Fourth Proportional to 125,019.84, 187,599.90 and 124,070.34

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Solution

The fourth proportional to 125,019.84, 187,599.90 and 124,070.34 is: 186,175.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,019.84 : 187,599.90 = 124,070.34 : x
  2. Step 2: Convert to fraction form
    125,019.84/187,599.90 = 124,070.34/x
  3. Step 3: Cross multiply
    125,019.84x = 187,599.90 × 124,070.34
  4. Step 4: Simplify right side
    125,019.84x = 23,275,583,376.97
  5. Step 5: Solve for x
    x = 23,275,583,376.97/125,019.84
  6. Step 6: Final answer
    x = 186,175.12

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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.