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Finding the Fourth Proportional to 168,207.98, 252,026.35 and 101,507.95

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Solution

The fourth proportional to 168,207.98, 252,026.35 and 101,507.95 is: 152,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,207.98 : 252,026.35 = 101,507.95 : x
  2. Step 2: Convert to fraction form
    168,207.98/252,026.35 = 101,507.95/x
  3. Step 3: Cross multiply
    168,207.98x = 252,026.35 × 101,507.95
  4. Step 4: Simplify right side
    168,207.98x = 25,582,678,870.11
  5. Step 5: Solve for x
    x = 25,582,678,870.11/168,207.98
  6. Step 6: Final answer
    x = 152,089.57

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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.