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Finding the Fourth Proportional to 176,647.78, 243,775.05 and 96,075.88

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Solution

The fourth proportional to 176,647.78, 243,775.05 and 96,075.88 is: 132,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,647.78 : 243,775.05 = 96,075.88 : x
  2. Step 2: Convert to fraction form
    176,647.78/243,775.05 = 96,075.88/x
  3. Step 3: Cross multiply
    176,647.78x = 243,775.05 × 96,075.88
  4. Step 4: Simplify right side
    176,647.78x = 23,420,901,231.92
  5. Step 5: Solve for x
    x = 23,420,901,231.92/176,647.78
  6. Step 6: Final answer
    x = 132,585.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.