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Finding the Fourth Proportional to 176,307.78, 264,230.65 and 81,525.93

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Solution

The fourth proportional to 176,307.78, 264,230.65 and 81,525.93 is: 122,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,307.78 : 264,230.65 = 81,525.93 : x
  2. Step 2: Convert to fraction form
    176,307.78/264,230.65 = 81,525.93/x
  3. Step 3: Cross multiply
    176,307.78x = 264,230.65 × 81,525.93
  4. Step 4: Simplify right side
    176,307.78x = 21,541,649,475.75
  5. Step 5: Solve for x
    x = 21,541,649,475.75/176,307.78
  6. Step 6: Final answer
    x = 122,182.07

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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.