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Finding the Fourth Proportional to 483,931.26, 725,894.46 and 124,100.51

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Solution

The fourth proportional to 483,931.26, 725,894.46 and 124,100.51 is: 186,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,931.26 : 725,894.46 = 124,100.51 : x
  2. Step 2: Convert to fraction form
    483,931.26/725,894.46 = 124,100.51/x
  3. Step 3: Cross multiply
    483,931.26x = 725,894.46 × 124,100.51
  4. Step 4: Simplify right side
    483,931.26x = 90,083,869,062.70
  5. Step 5: Solve for x
    x = 90,083,869,062.70/483,931.26
  6. Step 6: Final answer
    x = 186,150.13

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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.