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Finding the Fourth Proportional to 242,221.58, 334,263.37 and 134,789.76

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Solution

The fourth proportional to 242,221.58, 334,263.37 and 134,789.76 is: 186,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,221.58 : 334,263.37 = 134,789.76 : x
  2. Step 2: Convert to fraction form
    242,221.58/334,263.37 = 134,789.76/x
  3. Step 3: Cross multiply
    242,221.58x = 334,263.37 × 134,789.76
  4. Step 4: Simplify right side
    242,221.58x = 45,055,279,419.09
  5. Step 5: Solve for x
    x = 45,055,279,419.09/242,221.58
  6. Step 6: Final answer
    x = 186,008.53

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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.