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Finding the Fourth Proportional to 117,423.96, 176,133.90 and 47,301.48

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Solution

The fourth proportional to 117,423.96, 176,133.90 and 47,301.48 is: 70,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,423.96 : 176,133.90 = 47,301.48 : x
  2. Step 2: Convert to fraction form
    117,423.96/176,133.90 = 47,301.48/x
  3. Step 3: Cross multiply
    117,423.96x = 176,133.90 × 47,301.48
  4. Step 4: Simplify right side
    117,423.96x = 8,331,394,148.17
  5. Step 5: Solve for x
    x = 8,331,394,148.17/117,423.96
  6. Step 6: Final answer
    x = 70,951.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.