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Finding the Fourth Proportional to 176,637.65, 264,567.67 and 156,938.45

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Solution

The fourth proportional to 176,637.65, 264,567.67 and 156,938.45 is: 235,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,637.65 : 264,567.67 = 156,938.45 : x
  2. Step 2: Convert to fraction form
    176,637.65/264,567.67 = 156,938.45/x
  3. Step 3: Cross multiply
    176,637.65x = 264,567.67 × 156,938.45
  4. Step 4: Simplify right side
    176,637.65x = 41,520,840,049.91
  5. Step 5: Solve for x
    x = 41,520,840,049.91/176,637.65
  6. Step 6: Final answer
    x = 235,062.23

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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.