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Finding the Fourth Proportional to 252,646.16, 348,652.40 and 137,924.91

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Solution

The fourth proportional to 252,646.16, 348,652.40 and 137,924.91 is: 190,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,646.16 : 348,652.40 = 137,924.91 : x
  2. Step 2: Convert to fraction form
    252,646.16/348,652.40 = 137,924.91/x
  3. Step 3: Cross multiply
    252,646.16x = 348,652.40 × 137,924.91
  4. Step 4: Simplify right side
    252,646.16x = 48,087,850,201.66
  5. Step 5: Solve for x
    x = 48,087,850,201.66/252,646.16
  6. Step 6: Final answer
    x = 190,336.76

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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.