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Finding the Fourth Proportional to 181,714.38, 250,870.17 and 121,484.40

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Solution

The fourth proportional to 181,714.38, 250,870.17 and 121,484.40 is: 167,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,714.38 : 250,870.17 = 121,484.40 : x
  2. Step 2: Convert to fraction form
    181,714.38/250,870.17 = 121,484.40/x
  3. Step 3: Cross multiply
    181,714.38x = 250,870.17 × 121,484.40
  4. Step 4: Simplify right side
    181,714.38x = 30,476,812,080.35
  5. Step 5: Solve for x
    x = 30,476,812,080.35/181,714.38
  6. Step 6: Final answer
    x = 167,718.22

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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.