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Finding the Fourth Proportional to 252,444.86, 348,373.88 and 139,267.61

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Solution

The fourth proportional to 252,444.86, 348,373.88 and 139,267.61 is: 192,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,444.86 : 348,373.88 = 139,267.61 : x
  2. Step 2: Convert to fraction form
    252,444.86/348,373.88 = 139,267.61/x
  3. Step 3: Cross multiply
    252,444.86x = 348,373.88 × 139,267.61
  4. Step 4: Simplify right side
    252,444.86x = 48,517,195,215.82
  5. Step 5: Solve for x
    x = 48,517,195,215.82/252,444.86
  6. Step 6: Final answer
    x = 192,189.28

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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.