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Finding the Fourth Proportional to 242,660.76, 334,891.17 and 133,784.88

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Solution

The fourth proportional to 242,660.76, 334,891.17 and 133,784.88 is: 184,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,660.76 : 334,891.17 = 133,784.88 : x
  2. Step 2: Convert to fraction form
    242,660.76/334,891.17 = 133,784.88/x
  3. Step 3: Cross multiply
    242,660.76x = 334,891.17 × 133,784.88
  4. Step 4: Simplify right side
    242,660.76x = 44,803,374,991.51
  5. Step 5: Solve for x
    x = 44,803,374,991.51/242,660.76
  6. Step 6: Final answer
    x = 184,633.79

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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.