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Finding the Fourth Proportional to 183,478.26, 275,244.75 and 65,139.69

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Solution

The fourth proportional to 183,478.26, 275,244.75 and 65,139.69 is: 97,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.26 : 275,244.75 = 65,139.69 : x
  2. Step 2: Convert to fraction form
    183,478.26/275,244.75 = 65,139.69/x
  3. Step 3: Cross multiply
    183,478.26x = 275,244.75 × 65,139.69
  4. Step 4: Simplify right side
    183,478.26x = 17,929,357,689.13
  5. Step 5: Solve for x
    x = 17,929,357,689.13/183,478.26
  6. Step 6: Final answer
    x = 97,719.25

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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.