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Finding the Fourth Proportional to 117,532.40, 176,233.80 and 47,332.40

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Solution

The fourth proportional to 117,532.40, 176,233.80 and 47,332.40 is: 70,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,532.40 : 176,233.80 = 47,332.40 : x
  2. Step 2: Convert to fraction form
    117,532.40/176,233.80 = 47,332.40/x
  3. Step 3: Cross multiply
    117,532.40x = 176,233.80 × 47,332.40
  4. Step 4: Simplify right side
    117,532.40x = 8,341,568,715.12
  5. Step 5: Solve for x
    x = 8,341,568,715.12/117,532.40
  6. Step 6: Final answer
    x = 70,972.50

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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.