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Finding the Fourth Proportional to 126,417.68, 174,452.43 and 69,056.08

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Solution

The fourth proportional to 126,417.68, 174,452.43 and 69,056.08 is: 95,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,417.68 : 174,452.43 = 69,056.08 : x
  2. Step 2: Convert to fraction form
    126,417.68/174,452.43 = 69,056.08/x
  3. Step 3: Cross multiply
    126,417.68x = 174,452.43 × 69,056.08
  4. Step 4: Simplify right side
    126,417.68x = 12,047,000,785.10
  5. Step 5: Solve for x
    x = 12,047,000,785.10/126,417.68
  6. Step 6: Final answer
    x = 95,295.22

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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.