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Finding the Fourth Proportional to 243,393.04, 335,881.56 and 134,494.35

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Solution

The fourth proportional to 243,393.04, 335,881.56 and 134,494.35 is: 185,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,393.04 : 335,881.56 = 134,494.35 : x
  2. Step 2: Convert to fraction form
    243,393.04/335,881.56 = 134,494.35/x
  3. Step 3: Cross multiply
    243,393.04x = 335,881.56 × 134,494.35
  4. Step 4: Simplify right side
    243,393.04x = 45,174,172,089.19
  5. Step 5: Solve for x
    x = 45,174,172,089.19/243,393.04
  6. Step 6: Final answer
    x = 185,601.74

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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.