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Finding the Fourth Proportional to 116,520.96, 175,016.96 and 69,862.40

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Solution

The fourth proportional to 116,520.96, 175,016.96 and 69,862.40 is: 104,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,520.96 : 175,016.96 = 69,862.40 : x
  2. Step 2: Convert to fraction form
    116,520.96/175,016.96 = 69,862.40/x
  3. Step 3: Cross multiply
    116,520.96x = 175,016.96 × 69,862.40
  4. Step 4: Simplify right side
    116,520.96x = 12,227,104,866.30
  5. Step 5: Solve for x
    x = 12,227,104,866.30/116,520.96
  6. Step 6: Final answer
    x = 104,934.81

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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.