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Finding the Fourth Proportional to 176,598.71, 264,542.98 and 81,695.67

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Solution

The fourth proportional to 176,598.71, 264,542.98 and 81,695.67 is: 122,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,598.71 : 264,542.98 = 81,695.67 : x
  2. Step 2: Convert to fraction form
    176,598.71/264,542.98 = 81,695.67/x
  3. Step 3: Cross multiply
    176,598.71x = 264,542.98 × 81,695.67
  4. Step 4: Simplify right side
    176,598.71x = 21,612,015,994.90
  5. Step 5: Solve for x
    x = 21,612,015,994.90/176,598.71
  6. Step 6: Final answer
    x = 122,379.24

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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.