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Finding the Fourth Proportional to 107,088.82, 147,783.46 and 59,342.97

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Solution

The fourth proportional to 107,088.82, 147,783.46 and 59,342.97 is: 81,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,088.82 : 147,783.46 = 59,342.97 : x
  2. Step 2: Convert to fraction form
    107,088.82/147,783.46 = 59,342.97/x
  3. Step 3: Cross multiply
    107,088.82x = 147,783.46 × 59,342.97
  4. Step 4: Simplify right side
    107,088.82x = 8,769,908,397.64
  5. Step 5: Solve for x
    x = 8,769,908,397.64/107,088.82
  6. Step 6: Final answer
    x = 81,893.78

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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.