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Finding the Fourth Proportional to 144,679.42, 217,019.15 and 60,393.61

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Solution

The fourth proportional to 144,679.42, 217,019.15 and 60,393.61 is: 90,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,679.42 : 217,019.15 = 60,393.61 : x
  2. Step 2: Convert to fraction form
    144,679.42/217,019.15 = 60,393.61/x
  3. Step 3: Cross multiply
    144,679.42x = 217,019.15 × 60,393.61
  4. Step 4: Simplify right side
    144,679.42x = 13,106,569,516.07
  5. Step 5: Solve for x
    x = 13,106,569,516.07/144,679.42
  6. Step 6: Final answer
    x = 90,590.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.