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Finding the Fourth Proportional to 125,653.60, 188,480.01 and 50,772.88

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Solution

The fourth proportional to 125,653.60, 188,480.01 and 50,772.88 is: 76,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,653.60 : 188,480.01 = 50,772.88 : x
  2. Step 2: Convert to fraction form
    125,653.60/188,480.01 = 50,772.88/x
  3. Step 3: Cross multiply
    125,653.60x = 188,480.01 × 50,772.88
  4. Step 4: Simplify right side
    125,653.60x = 9,569,671,987.73
  5. Step 5: Solve for x
    x = 9,569,671,987.73/125,653.60
  6. Step 6: Final answer
    x = 76,159.16

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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.