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Finding the Fourth Proportional to 185,483.15, 255,967.20 and 100,600.22

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Solution

The fourth proportional to 185,483.15, 255,967.20 and 100,600.22 is: 138,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,483.15 : 255,967.20 = 100,600.22 : x
  2. Step 2: Convert to fraction form
    185,483.15/255,967.20 = 100,600.22/x
  3. Step 3: Cross multiply
    185,483.15x = 255,967.20 × 100,600.22
  4. Step 4: Simplify right side
    185,483.15x = 25,750,356,632.78
  5. Step 5: Solve for x
    x = 25,750,356,632.78/185,483.15
  6. Step 6: Final answer
    x = 138,828.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.