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Finding the Fourth Proportional to 240,878.90, 360,929.55 and 151,973.30

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Solution

The fourth proportional to 240,878.90, 360,929.55 and 151,973.30 is: 227,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,878.90 : 360,929.55 = 151,973.30 : x
  2. Step 2: Convert to fraction form
    240,878.90/360,929.55 = 151,973.30/x
  3. Step 3: Cross multiply
    240,878.90x = 360,929.55 × 151,973.30
  4. Step 4: Simplify right side
    240,878.90x = 54,851,654,781.02
  5. Step 5: Solve for x
    x = 54,851,654,781.02/240,878.90
  6. Step 6: Final answer
    x = 227,714.65

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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.