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Finding the Fourth Proportional to 157,957.60, 236,590.80 and 95,519.20

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Solution

The fourth proportional to 157,957.60, 236,590.80 and 95,519.20 is: 143,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,957.60 : 236,590.80 = 95,519.20 : x
  2. Step 2: Convert to fraction form
    157,957.60/236,590.80 = 95,519.20/x
  3. Step 3: Cross multiply
    157,957.60x = 236,590.80 × 95,519.20
  4. Step 4: Simplify right side
    157,957.60x = 22,598,963,943.36
  5. Step 5: Solve for x
    x = 22,598,963,943.36/157,957.60
  6. Step 6: Final answer
    x = 143,069.81

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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.