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Finding the Fourth Proportional to 176,599.01, 243,294.77 and 122,790.61

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Solution

The fourth proportional to 176,599.01, 243,294.77 and 122,790.61 is: 169,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,599.01 : 243,294.77 = 122,790.61 : x
  2. Step 2: Convert to fraction form
    176,599.01/243,294.77 = 122,790.61/x
  3. Step 3: Cross multiply
    176,599.01x = 243,294.77 × 122,790.61
  4. Step 4: Simplify right side
    176,599.01x = 29,874,313,218.11
  5. Step 5: Solve for x
    x = 29,874,313,218.11/176,599.01
  6. Step 6: Final answer
    x = 169,164.67

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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.