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Finding the Fourth Proportional to 130,937.74, 196,406.42 and 36,167.68

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Solution

The fourth proportional to 130,937.74, 196,406.42 and 36,167.68 is: 54,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,937.74 : 196,406.42 = 36,167.68 : x
  2. Step 2: Convert to fraction form
    130,937.74/196,406.42 = 36,167.68/x
  3. Step 3: Cross multiply
    130,937.74x = 196,406.42 × 36,167.68
  4. Step 4: Simplify right side
    130,937.74x = 7,103,564,548.51
  5. Step 5: Solve for x
    x = 7,103,564,548.51/130,937.74
  6. Step 6: Final answer
    x = 54,251.47

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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.