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Finding the Fourth Proportional to 254,735.95, 382,275.77 and 104,972.92

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Solution

The fourth proportional to 254,735.95, 382,275.77 and 104,972.92 is: 157,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,735.95 : 382,275.77 = 104,972.92 : x
  2. Step 2: Convert to fraction form
    254,735.95/382,275.77 = 104,972.92/x
  3. Step 3: Cross multiply
    254,735.95x = 382,275.77 × 104,972.92
  4. Step 4: Simplify right side
    254,735.95x = 40,128,605,343.16
  5. Step 5: Solve for x
    x = 40,128,605,343.16/254,735.95
  6. Step 6: Final answer
    x = 157,530.20

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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.