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Finding the Fourth Proportional to 127,414.62, 175,791.06 and 70,815.06

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Solution

The fourth proportional to 127,414.62, 175,791.06 and 70,815.06 is: 97,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,414.62 : 175,791.06 = 70,815.06 : x
  2. Step 2: Convert to fraction form
    127,414.62/175,791.06 = 70,815.06/x
  3. Step 3: Cross multiply
    127,414.62x = 175,791.06 × 70,815.06
  4. Step 4: Simplify right side
    127,414.62x = 12,448,654,461.36
  5. Step 5: Solve for x
    x = 12,448,654,461.36/127,414.62
  6. Step 6: Final answer
    x = 97,701.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.