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Finding the Fourth Proportional to 176,348.60, 264,134.10 and 153,020.60

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Solution

The fourth proportional to 176,348.60, 264,134.10 and 153,020.60 is: 229,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,348.60 : 264,134.10 = 153,020.60 : x
  2. Step 2: Convert to fraction form
    176,348.60/264,134.10 = 153,020.60/x
  3. Step 3: Cross multiply
    176,348.60x = 264,134.10 × 153,020.60
  4. Step 4: Simplify right side
    176,348.60x = 40,417,958,462.46
  5. Step 5: Solve for x
    x = 40,417,958,462.46/176,348.60
  6. Step 6: Final answer
    x = 229,193.53

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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.