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Finding the Fourth Proportional to 168,646.90, 252,898.35 and 97,618.58

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Solution

The fourth proportional to 168,646.90, 252,898.35 and 97,618.58 is: 146,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,646.90 : 252,898.35 = 97,618.58 : x
  2. Step 2: Convert to fraction form
    168,646.90/252,898.35 = 97,618.58/x
  3. Step 3: Cross multiply
    168,646.90x = 252,898.35 × 97,618.58
  4. Step 4: Simplify right side
    168,646.90x = 24,687,577,811.34
  5. Step 5: Solve for x
    x = 24,687,577,811.34/168,646.90
  6. Step 6: Final answer
    x = 146,386.19

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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.