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Finding the Fourth Proportional to 144,696.64, 217,098.15 and 60,465.28

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Solution

The fourth proportional to 144,696.64, 217,098.15 and 60,465.28 is: 90,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696.64 : 217,098.15 = 60,465.28 : x
  2. Step 2: Convert to fraction form
    144,696.64/217,098.15 = 60,465.28/x
  3. Step 3: Cross multiply
    144,696.64x = 217,098.15 × 60,465.28
  4. Step 4: Simplify right side
    144,696.64x = 13,126,900,427.23
  5. Step 5: Solve for x
    x = 13,126,900,427.23/144,696.64
  6. Step 6: Final answer
    x = 90,720.15

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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.