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Finding the Fourth Proportional to 155,782.24, 214,979.24 and 88,714.24

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Solution

The fourth proportional to 155,782.24, 214,979.24 and 88,714.24 is: 122,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,782.24 : 214,979.24 = 88,714.24 : x
  2. Step 2: Convert to fraction form
    155,782.24/214,979.24 = 88,714.24/x
  3. Step 3: Cross multiply
    155,782.24x = 214,979.24 × 88,714.24
  4. Step 4: Simplify right side
    155,782.24x = 19,071,719,892.38
  5. Step 5: Solve for x
    x = 19,071,719,892.38/155,782.24
  6. Step 6: Final answer
    x = 122,425.51

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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.