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Finding the Fourth Proportional to 185,148.40, 255,503.52 and 100,263.52

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Solution

The fourth proportional to 185,148.40, 255,503.52 and 100,263.52 is: 138,362.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,148.40 : 255,503.52 = 100,263.52 : x
  2. Step 2: Convert to fraction form
    185,148.40/255,503.52 = 100,263.52/x
  3. Step 3: Cross multiply
    185,148.40x = 255,503.52 × 100,263.52
  4. Step 4: Simplify right side
    185,148.40x = 25,617,682,287.59
  5. Step 5: Solve for x
    x = 25,617,682,287.59/185,148.40
  6. Step 6: Final answer
    x = 138,362.97

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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.