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Finding the Fourth Proportional to 144,695.64, 217,096.65 and 60,464.28

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Solution

The fourth proportional to 144,695.64, 217,096.65 and 60,464.28 is: 90,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,695.64 : 217,096.65 = 60,464.28 : x
  2. Step 2: Convert to fraction form
    144,695.64/217,096.65 = 60,464.28/x
  3. Step 3: Cross multiply
    144,695.64x = 217,096.65 × 60,464.28
  4. Step 4: Simplify right side
    144,695.64x = 13,126,592,632.66
  5. Step 5: Solve for x
    x = 13,126,592,632.66/144,695.64
  6. Step 6: Final answer
    x = 90,718.65

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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.