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Finding the Fourth Proportional to 252,070.58, 347,853.27 and 137,350.58

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Solution

The fourth proportional to 252,070.58, 347,853.27 and 137,350.58 is: 189,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,070.58 : 347,853.27 = 137,350.58 : x
  2. Step 2: Convert to fraction form
    252,070.58/347,853.27 = 137,350.58/x
  3. Step 3: Cross multiply
    252,070.58x = 347,853.27 × 137,350.58
  4. Step 4: Simplify right side
    252,070.58x = 47,777,849,430.72
  5. Step 5: Solve for x
    x = 47,777,849,430.72/252,070.58
  6. Step 6: Final answer
    x = 189,541.55

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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.