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Finding the Fourth Proportional to 134,225.52, 185,221.68 and 73,794.60

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Solution

The fourth proportional to 134,225.52, 185,221.68 and 73,794.60 is: 101,831.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,225.52 : 185,221.68 = 73,794.60 : x
  2. Step 2: Convert to fraction form
    134,225.52/185,221.68 = 73,794.60/x
  3. Step 3: Cross multiply
    134,225.52x = 185,221.68 × 73,794.60
  4. Step 4: Simplify right side
    134,225.52x = 13,668,359,786.93
  5. Step 5: Solve for x
    x = 13,668,359,786.93/134,225.52
  6. Step 6: Final answer
    x = 101,831.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.