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Finding the Fourth Proportional to 107,155.92, 147,875.18 and 59,408.22

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Solution

The fourth proportional to 107,155.92, 147,875.18 and 59,408.22 is: 81,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,155.92 : 147,875.18 = 59,408.22 : x
  2. Step 2: Convert to fraction form
    107,155.92/147,875.18 = 59,408.22/x
  3. Step 3: Cross multiply
    107,155.92x = 147,875.18 × 59,408.22
  4. Step 4: Simplify right side
    107,155.92x = 8,785,000,928.94
  5. Step 5: Solve for x
    x = 8,785,000,928.94/107,155.92
  6. Step 6: Final answer
    x = 81,983.35

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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.