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Finding the Fourth Proportional to 157,554.60, 236,115.90 and 101,221.80

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Solution

The fourth proportional to 157,554.60, 236,115.90 and 101,221.80 is: 151,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,554.60 : 236,115.90 = 101,221.80 : x
  2. Step 2: Convert to fraction form
    157,554.60/236,115.90 = 101,221.80/x
  3. Step 3: Cross multiply
    157,554.60x = 236,115.90 × 101,221.80
  4. Step 4: Simplify right side
    157,554.60x = 23,900,076,406.62
  5. Step 5: Solve for x
    x = 23,900,076,406.62/157,554.60
  6. Step 6: Final answer
    x = 151,693.93

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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.