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Finding the Fourth Proportional to 153,862.82, 230,902.66 and 54,030.79

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Solution

The fourth proportional to 153,862.82, 230,902.66 and 54,030.79 is: 81,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,862.82 : 230,902.66 = 54,030.79 : x
  2. Step 2: Convert to fraction form
    153,862.82/230,902.66 = 54,030.79/x
  3. Step 3: Cross multiply
    153,862.82x = 230,902.66 × 54,030.79
  4. Step 4: Simplify right side
    153,862.82x = 12,475,852,862.75
  5. Step 5: Solve for x
    x = 12,475,852,862.75/153,862.82
  6. Step 6: Final answer
    x = 81,084.26

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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.