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Finding the Fourth Proportional to 483,695.93, 725,664.18 and 168,155.57

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Solution

The fourth proportional to 483,695.93, 725,664.18 and 168,155.57 is: 252,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,695.93 : 725,664.18 = 168,155.57 : x
  2. Step 2: Convert to fraction form
    483,695.93/725,664.18 = 168,155.57/x
  3. Step 3: Cross multiply
    483,695.93x = 725,664.18 × 168,155.57
  4. Step 4: Simplify right side
    483,695.93x = 122,024,473,816.48
  5. Step 5: Solve for x
    x = 122,024,473,816.48/483,695.93
  6. Step 6: Final answer
    x = 252,275.17

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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.