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Finding the Fourth Proportional to 191,562.57, 264,337.43 and 106,687.53

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Solution

The fourth proportional to 191,562.57, 264,337.43 and 106,687.53 is: 147,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,562.57 : 264,337.43 = 106,687.53 : x
  2. Step 2: Convert to fraction form
    191,562.57/264,337.43 = 106,687.53/x
  3. Step 3: Cross multiply
    191,562.57x = 264,337.43 × 106,687.53
  4. Step 4: Simplify right side
    191,562.57x = 28,201,506,959.81
  5. Step 5: Solve for x
    x = 28,201,506,959.81/191,562.57
  6. Step 6: Final answer
    x = 147,218.25

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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.