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Finding the Fourth Proportional to 125,089.60, 187,634.40 and 62,737.60

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Solution

The fourth proportional to 125,089.60, 187,634.40 and 62,737.60 is: 94,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,089.60 : 187,634.40 = 62,737.60 : x
  2. Step 2: Convert to fraction form
    125,089.60/187,634.40 = 62,737.60/x
  3. Step 3: Cross multiply
    125,089.60x = 187,634.40 × 62,737.60
  4. Step 4: Simplify right side
    125,089.60x = 11,771,731,933.44
  5. Step 5: Solve for x
    x = 11,771,731,933.44/125,089.60
  6. Step 6: Final answer
    x = 94,106.40

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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.