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Finding the Fourth Proportional to 126,866.66, 175,069.28 and 69,495.32

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Solution

The fourth proportional to 126,866.66, 175,069.28 and 69,495.32 is: 95,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,866.66 : 175,069.28 = 69,495.32 : x
  2. Step 2: Convert to fraction form
    126,866.66/175,069.28 = 69,495.32/x
  3. Step 3: Cross multiply
    126,866.66x = 175,069.28 × 69,495.32
  4. Step 4: Simplify right side
    126,866.66x = 12,166,495,262.42
  5. Step 5: Solve for x
    x = 12,166,495,262.42/126,866.66
  6. Step 6: Final answer
    x = 95,899.87

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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.