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Finding the Fourth Proportional to 127,226.69, 175,572.99 and 69,869.72

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Solution

The fourth proportional to 127,226.69, 175,572.99 and 69,869.72 is: 96,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,226.69 : 175,572.99 = 69,869.72 : x
  2. Step 2: Convert to fraction form
    127,226.69/175,572.99 = 69,869.72/x
  3. Step 3: Cross multiply
    127,226.69x = 175,572.99 × 69,869.72
  4. Step 4: Simplify right side
    127,226.69x = 12,267,234,773.00
  5. Step 5: Solve for x
    x = 12,267,234,773.00/127,226.69
  6. Step 6: Final answer
    x = 96,420.30

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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.