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Finding the Fourth Proportional to 176,613.80, 264,920.70 and 157,368.20

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Solution

The fourth proportional to 176,613.80, 264,920.70 and 157,368.20 is: 236,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,613.80 : 264,920.70 = 157,368.20 : x
  2. Step 2: Convert to fraction form
    176,613.80/264,920.70 = 157,368.20/x
  3. Step 3: Cross multiply
    176,613.80x = 264,920.70 × 157,368.20
  4. Step 4: Simplify right side
    176,613.80x = 41,690,093,701.74
  5. Step 5: Solve for x
    x = 41,690,093,701.74/176,613.80
  6. Step 6: Final answer
    x = 236,052.30

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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.