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Finding the Fourth Proportional to 252,706.56, 348,737.28 and 139,537.92

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Solution

The fourth proportional to 252,706.56, 348,737.28 and 139,537.92 is: 192,563.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,706.56 : 348,737.28 = 139,537.92 : x
  2. Step 2: Convert to fraction form
    252,706.56/348,737.28 = 139,537.92/x
  3. Step 3: Cross multiply
    252,706.56x = 348,737.28 × 139,537.92
  4. Step 4: Simplify right side
    252,706.56x = 48,662,074,677.66
  5. Step 5: Solve for x
    x = 48,662,074,677.66/252,706.56
  6. Step 6: Final answer
    x = 192,563.56

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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.