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Finding the Fourth Proportional to 130,767.76, 196,180.80 and 47,661.76

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Solution

The fourth proportional to 130,767.76, 196,180.80 and 47,661.76 is: 71,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,767.76 : 196,180.80 = 47,661.76 : x
  2. Step 2: Convert to fraction form
    130,767.76/196,180.80 = 47,661.76/x
  3. Step 3: Cross multiply
    130,767.76x = 196,180.80 × 47,661.76
  4. Step 4: Simplify right side
    130,767.76x = 9,350,322,206.21
  5. Step 5: Solve for x
    x = 9,350,322,206.21/130,767.76
  6. Step 6: Final answer
    x = 71,503.27

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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.