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Finding the Fourth Proportional to 176,139.56, 243,065.51 and 95,564.00

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Solution

The fourth proportional to 176,139.56, 243,065.51 and 95,564.00 is: 131,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,139.56 : 243,065.51 = 95,564.00 : x
  2. Step 2: Convert to fraction form
    176,139.56/243,065.51 = 95,564.00/x
  3. Step 3: Cross multiply
    176,139.56x = 243,065.51 × 95,564.00
  4. Step 4: Simplify right side
    176,139.56x = 23,228,312,885.85
  5. Step 5: Solve for x
    x = 23,228,312,885.85/176,139.56
  6. Step 6: Final answer
    x = 131,874.48

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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.