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Finding the Fourth Proportional to 157,470.60, 236,205.90 and 118,104.60

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Solution

The fourth proportional to 157,470.60, 236,205.90 and 118,104.60 is: 177,156.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470.60 : 236,205.90 = 118,104.60 : x
  2. Step 2: Convert to fraction form
    157,470.60/236,205.90 = 118,104.60/x
  3. Step 3: Cross multiply
    157,470.60x = 236,205.90 × 118,104.60
  4. Step 4: Simplify right side
    157,470.60x = 27,897,003,337.14
  5. Step 5: Solve for x
    x = 27,897,003,337.14/157,470.60
  6. Step 6: Final answer
    x = 177,156.90

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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.