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Finding the Fourth Proportional to 176,676.39, 243,893.03 and 116,278.74

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Solution

The fourth proportional to 176,676.39, 243,893.03 and 116,278.74 is: 160,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,676.39 : 243,893.03 = 116,278.74 : x
  2. Step 2: Convert to fraction form
    176,676.39/243,893.03 = 116,278.74/x
  3. Step 3: Cross multiply
    176,676.39x = 243,893.03 × 116,278.74
  4. Step 4: Simplify right side
    176,676.39x = 28,359,573,641.79
  5. Step 5: Solve for x
    x = 28,359,573,641.79/176,676.39
  6. Step 6: Final answer
    x = 160,517.05

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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.