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Finding the Fourth Proportional to 80,141.92, 110,547.65 and 52,918.24

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Solution

The fourth proportional to 80,141.92, 110,547.65 and 52,918.24 is: 72,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,141.92 : 110,547.65 = 52,918.24 : x
  2. Step 2: Convert to fraction form
    80,141.92/110,547.65 = 52,918.24/x
  3. Step 3: Cross multiply
    80,141.92x = 110,547.65 × 52,918.24
  4. Step 4: Simplify right side
    80,141.92x = 5,849,987,074.14
  5. Step 5: Solve for x
    x = 5,849,987,074.14/80,141.92
  6. Step 6: Final answer
    x = 72,995.34

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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.