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Finding the Fourth Proportional to 176,179.89, 243,140.22 and 99,699.03

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Solution

The fourth proportional to 176,179.89, 243,140.22 and 99,699.03 is: 137,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,179.89 : 243,140.22 = 99,699.03 : x
  2. Step 2: Convert to fraction form
    176,179.89/243,140.22 = 99,699.03/x
  3. Step 3: Cross multiply
    176,179.89x = 243,140.22 × 99,699.03
  4. Step 4: Simplify right side
    176,179.89x = 24,240,844,087.99
  5. Step 5: Solve for x
    x = 24,240,844,087.99/176,179.89
  6. Step 6: Final answer
    x = 137,591.44

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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.