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Finding the Fourth Proportional to 88,959.48, 122,760.48 and 53,169.24

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Solution

The fourth proportional to 88,959.48, 122,760.48 and 53,169.24 is: 73,371.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,959.48 : 122,760.48 = 53,169.24 : x
  2. Step 2: Convert to fraction form
    88,959.48/122,760.48 = 53,169.24/x
  3. Step 3: Cross multiply
    88,959.48x = 122,760.48 × 53,169.24
  4. Step 4: Simplify right side
    88,959.48x = 6,527,081,423.64
  5. Step 5: Solve for x
    x = 6,527,081,423.64/88,959.48
  6. Step 6: Final answer
    x = 73,371.40

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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.