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Finding the Fourth Proportional to 235,470.01, 353,277.96 and 81,609.13

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Solution

The fourth proportional to 235,470.01, 353,277.96 and 81,609.13 is: 122,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,470.01 : 353,277.96 = 81,609.13 : x
  2. Step 2: Convert to fraction form
    235,470.01/353,277.96 = 81,609.13/x
  3. Step 3: Cross multiply
    235,470.01x = 353,277.96 × 81,609.13
  4. Step 4: Simplify right side
    235,470.01x = 28,830,706,963.77
  5. Step 5: Solve for x
    x = 28,830,706,963.77/235,470.01
  6. Step 6: Final answer
    x = 122,438.98

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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.