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Finding the Fourth Proportional to 114,959.38, 172,388.80 and 57,998.24

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Solution

The fourth proportional to 114,959.38, 172,388.80 and 57,998.24 is: 86,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,959.38 : 172,388.80 = 57,998.24 : x
  2. Step 2: Convert to fraction form
    114,959.38/172,388.80 = 57,998.24/x
  3. Step 3: Cross multiply
    114,959.38x = 172,388.80 × 57,998.24
  4. Step 4: Simplify right side
    114,959.38x = 9,998,246,995.71
  5. Step 5: Solve for x
    x = 9,998,246,995.71/114,959.38
  6. Step 6: Final answer
    x = 86,972.00

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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.