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Finding the Fourth Proportional to 176,874.16, 243,778.80 and 154,071.04

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Solution

The fourth proportional to 176,874.16, 243,778.80 and 154,071.04 is: 212,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,874.16 : 243,778.80 = 154,071.04 : x
  2. Step 2: Convert to fraction form
    176,874.16/243,778.80 = 154,071.04/x
  3. Step 3: Cross multiply
    176,874.16x = 243,778.80 × 154,071.04
  4. Step 4: Simplify right side
    176,874.16x = 37,559,253,245.95
  5. Step 5: Solve for x
    x = 37,559,253,245.95/176,874.16
  6. Step 6: Final answer
    x = 212,350.14

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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.