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Finding the Fourth Proportional to 134,059.19, 200,782.53 and 63,987.71

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Solution

The fourth proportional to 134,059.19, 200,782.53 and 63,987.71 is: 95,835.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,059.19 : 200,782.53 = 63,987.71 : x
  2. Step 2: Convert to fraction form
    134,059.19/200,782.53 = 63,987.71/x
  3. Step 3: Cross multiply
    134,059.19x = 200,782.53 × 63,987.71
  4. Step 4: Simplify right side
    134,059.19x = 12,847,613,298.79
  5. Step 5: Solve for x
    x = 12,847,613,298.79/134,059.19
  6. Step 6: Final answer
    x = 95,835.38

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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.