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Finding the Fourth Proportional to 178,337.79, 267,507.71 and 45,218.34

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Solution

The fourth proportional to 178,337.79, 267,507.71 and 45,218.34 is: 67,827.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,337.79 : 267,507.71 = 45,218.34 : x
  2. Step 2: Convert to fraction form
    178,337.79/267,507.71 = 45,218.34/x
  3. Step 3: Cross multiply
    178,337.79x = 267,507.71 × 45,218.34
  4. Step 4: Simplify right side
    178,337.79x = 12,096,254,357.31
  5. Step 5: Solve for x
    x = 12,096,254,357.31/178,337.79
  6. Step 6: Final answer
    x = 67,827.77

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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.