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Finding the Fourth Proportional to 178,153.59, 267,223.91 and 53,491.35

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Solution

The fourth proportional to 178,153.59, 267,223.91 and 53,491.35 is: 80,235.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,153.59 : 267,223.91 = 53,491.35 : x
  2. Step 2: Convert to fraction form
    178,153.59/267,223.91 = 53,491.35/x
  3. Step 3: Cross multiply
    178,153.59x = 267,223.91 × 53,491.35
  4. Step 4: Simplify right side
    178,153.59x = 14,294,167,430.72
  5. Step 5: Solve for x
    x = 14,294,167,430.72/178,153.59
  6. Step 6: Final answer
    x = 80,235.08

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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.