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Finding the Fourth Proportional to 176,117.80, 264,371.10 and 97,385.80

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Solution

The fourth proportional to 176,117.80, 264,371.10 and 97,385.80 is: 146,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,117.80 : 264,371.10 = 97,385.80 : x
  2. Step 2: Convert to fraction form
    176,117.80/264,371.10 = 97,385.80/x
  3. Step 3: Cross multiply
    176,117.80x = 264,371.10 × 97,385.80
  4. Step 4: Simplify right side
    176,117.80x = 25,745,991,070.38
  5. Step 5: Solve for x
    x = 25,745,991,070.38/176,117.80
  6. Step 6: Final answer
    x = 146,186.20

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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.