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Finding the Fourth Proportional to 107,602.83, 161,251.16 and 79,300.62

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Solution

The fourth proportional to 107,602.83, 161,251.16 and 79,300.62 is: 118,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,602.83 : 161,251.16 = 79,300.62 : x
  2. Step 2: Convert to fraction form
    107,602.83/161,251.16 = 79,300.62/x
  3. Step 3: Cross multiply
    107,602.83x = 161,251.16 × 79,300.62
  4. Step 4: Simplify right side
    107,602.83x = 12,787,316,567.22
  5. Step 5: Solve for x
    x = 12,787,316,567.22/107,602.83
  6. Step 6: Final answer
    x = 118,838.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.