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Finding the Fourth Proportional to 183,478.05, 275,244.48 and 65,139.48

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Solution

The fourth proportional to 183,478.05, 275,244.48 and 65,139.48 is: 97,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.05 : 275,244.48 = 65,139.48 : x
  2. Step 2: Convert to fraction form
    183,478.05/275,244.48 = 65,139.48/x
  3. Step 3: Cross multiply
    183,478.05x = 275,244.48 × 65,139.48
  4. Step 4: Simplify right side
    183,478.05x = 17,929,282,300.07
  5. Step 5: Solve for x
    x = 17,929,282,300.07/183,478.05
  6. Step 6: Final answer
    x = 97,718.95

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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.