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Finding the Fourth Proportional to 176,932.40, 265,009.80 and 157,233.20

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Solution

The fourth proportional to 176,932.40, 265,009.80 and 157,233.20 is: 235,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,932.40 : 265,009.80 = 157,233.20 : x
  2. Step 2: Convert to fraction form
    176,932.40/265,009.80 = 157,233.20/x
  3. Step 3: Cross multiply
    176,932.40x = 265,009.80 × 157,233.20
  4. Step 4: Simplify right side
    176,932.40x = 41,668,338,885.36
  5. Step 5: Solve for x
    x = 41,668,338,885.36/176,932.40
  6. Step 6: Final answer
    x = 235,504.29

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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.