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Finding the Fourth Proportional to 270,987.60, 373,957.82 and 163,562.16

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Solution

The fourth proportional to 270,987.60, 373,957.82 and 163,562.16 is: 225,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,987.60 : 373,957.82 = 163,562.16 : x
  2. Step 2: Convert to fraction form
    270,987.60/373,957.82 = 163,562.16/x
  3. Step 3: Cross multiply
    270,987.60x = 373,957.82 × 163,562.16
  4. Step 4: Simplify right side
    270,987.60x = 61,165,348,788.09
  5. Step 5: Solve for x
    x = 61,165,348,788.09/270,987.60
  6. Step 6: Final answer
    x = 225,712.72

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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.