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Finding the Fourth Proportional to 367,729.92, 551,815.20 and 157,368.06

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Solution

The fourth proportional to 367,729.92, 551,815.20 and 157,368.06 is: 236,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,729.92 : 551,815.20 = 157,368.06 : x
  2. Step 2: Convert to fraction form
    367,729.92/551,815.20 = 157,368.06/x
  3. Step 3: Cross multiply
    367,729.92x = 551,815.20 × 157,368.06
  4. Step 4: Simplify right side
    367,729.92x = 86,838,087,502.51
  5. Step 5: Solve for x
    x = 86,838,087,502.51/367,729.92
  6. Step 6: Final answer
    x = 236,146.37

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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.