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Finding the Fourth Proportional to 243,009.59, 335,337.50 and 134,114.90

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Solution

The fourth proportional to 243,009.59, 335,337.50 and 134,114.90 is: 185,069.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,009.59 : 335,337.50 = 134,114.90 : x
  2. Step 2: Convert to fraction form
    243,009.59/335,337.50 = 134,114.90/x
  3. Step 3: Cross multiply
    243,009.59x = 335,337.50 × 134,114.90
  4. Step 4: Simplify right side
    243,009.59x = 44,973,752,931.49
  5. Step 5: Solve for x
    x = 44,973,752,931.49/243,009.59
  6. Step 6: Final answer
    x = 185,069.87

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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.