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Finding the Fourth Proportional to 126,737.65, 174,906.42 and 73,026.15

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Solution

The fourth proportional to 126,737.65, 174,906.42 and 73,026.15 is: 100,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,737.65 : 174,906.42 = 73,026.15 : x
  2. Step 2: Convert to fraction form
    126,737.65/174,906.42 = 73,026.15/x
  3. Step 3: Cross multiply
    126,737.65x = 174,906.42 × 73,026.15
  4. Step 4: Simplify right side
    126,737.65x = 12,772,742,462.88
  5. Step 5: Solve for x
    x = 12,772,742,462.88/126,737.65
  6. Step 6: Final answer
    x = 100,780.96

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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.