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Finding the Fourth Proportional to 107,157.82, 147,877.08 and 59,411.17

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Solution

The fourth proportional to 107,157.82, 147,877.08 and 59,411.17 is: 81,987.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,157.82 : 147,877.08 = 59,411.17 : x
  2. Step 2: Convert to fraction form
    107,157.82/147,877.08 = 59,411.17/x
  3. Step 3: Cross multiply
    107,157.82x = 147,877.08 × 59,411.17
  4. Step 4: Simplify right side
    107,157.82x = 8,785,550,338.98
  5. Step 5: Solve for x
    x = 8,785,550,338.98/107,157.82
  6. Step 6: Final answer
    x = 81,987.02

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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.