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Finding the Fourth Proportional to 144,678.67, 217,018.02 and 60,392.86

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Solution

The fourth proportional to 144,678.67, 217,018.02 and 60,392.86 is: 90,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,678.67 : 217,018.02 = 60,392.86 : x
  2. Step 2: Convert to fraction form
    144,678.67/217,018.02 = 60,392.86/x
  3. Step 3: Cross multiply
    144,678.67x = 217,018.02 × 60,392.86
  4. Step 4: Simplify right side
    144,678.67x = 13,106,338,583.27
  5. Step 5: Solve for x
    x = 13,106,338,583.27/144,678.67
  6. Step 6: Final answer
    x = 90,589.30

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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.