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Finding the Fourth Proportional to 107,879.46, 148,875.60 and 60,127.68

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Solution

The fourth proportional to 107,879.46, 148,875.60 and 60,127.68 is: 82,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,879.46 : 148,875.60 = 60,127.68 : x
  2. Step 2: Convert to fraction form
    107,879.46/148,875.60 = 60,127.68/x
  3. Step 3: Cross multiply
    107,879.46x = 148,875.60 × 60,127.68
  4. Step 4: Simplify right side
    107,879.46x = 8,951,544,436.61
  5. Step 5: Solve for x
    x = 8,951,544,436.61/107,879.46
  6. Step 6: Final answer
    x = 82,977.28

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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.