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Finding the Fourth Proportional to 252,551.70, 348,520.62 and 139,373.64

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Solution

The fourth proportional to 252,551.70, 348,520.62 and 139,373.64 is: 192,335.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,551.70 : 348,520.62 = 139,373.64 : x
  2. Step 2: Convert to fraction form
    252,551.70/348,520.62 = 139,373.64/x
  3. Step 3: Cross multiply
    252,551.70x = 348,520.62 × 139,373.64
  4. Step 4: Simplify right side
    252,551.70x = 48,574,587,424.46
  5. Step 5: Solve for x
    x = 48,574,587,424.46/252,551.70
  6. Step 6: Final answer
    x = 192,335.22

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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.