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Finding the Fourth Proportional to 243,527.16, 336,064.14 and 136,098.84

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Solution

The fourth proportional to 243,527.16, 336,064.14 and 136,098.84 is: 187,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,527.16 : 336,064.14 = 136,098.84 : x
  2. Step 2: Convert to fraction form
    243,527.16/336,064.14 = 136,098.84/x
  3. Step 3: Cross multiply
    243,527.16x = 336,064.14 × 136,098.84
  4. Step 4: Simplify right side
    243,527.16x = 45,737,939,619.60
  5. Step 5: Solve for x
    x = 45,737,939,619.60/243,527.16
  6. Step 6: Final answer
    x = 187,814.53

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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.