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Finding the Fourth Proportional to 243,494.02, 336,015.30 and 136,064.93

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Solution

The fourth proportional to 243,494.02, 336,015.30 and 136,064.93 is: 187,766.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,494.02 : 336,015.30 = 136,064.93 : x
  2. Step 2: Convert to fraction form
    243,494.02/336,015.30 = 136,064.93/x
  3. Step 3: Cross multiply
    243,494.02x = 336,015.30 × 136,064.93
  4. Step 4: Simplify right side
    243,494.02x = 45,719,898,273.43
  5. Step 5: Solve for x
    x = 45,719,898,273.43/243,494.02
  6. Step 6: Final answer
    x = 187,766.00

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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.