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Finding the Fourth Proportional to 117,615.92, 176,423.61 and 51,047.42

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Solution

The fourth proportional to 117,615.92, 176,423.61 and 51,047.42 is: 76,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,615.92 : 176,423.61 = 51,047.42 : x
  2. Step 2: Convert to fraction form
    117,615.92/176,423.61 = 51,047.42/x
  3. Step 3: Cross multiply
    117,615.92x = 176,423.61 × 51,047.42
  4. Step 4: Simplify right side
    117,615.92x = 9,005,970,117.59
  5. Step 5: Solve for x
    x = 9,005,970,117.59/117,615.92
  6. Step 6: Final answer
    x = 76,571.01

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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.