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Finding the Fourth Proportional to 252,425.82, 348,348.63 and 137,706.91

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Solution

The fourth proportional to 252,425.82, 348,348.63 and 137,706.91 is: 190,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,425.82 : 348,348.63 = 137,706.91 : x
  2. Step 2: Convert to fraction form
    252,425.82/348,348.63 = 137,706.91/x
  3. Step 3: Cross multiply
    252,425.82x = 348,348.63 × 137,706.91
  4. Step 4: Simplify right side
    252,425.82x = 47,970,013,440.03
  5. Step 5: Solve for x
    x = 47,970,013,440.03/252,425.82
  6. Step 6: Final answer
    x = 190,036.08

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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.