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Finding the Fourth Proportional to 153,535.92, 211,950.72 and 108,250.80

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Solution

The fourth proportional to 153,535.92, 211,950.72 and 108,250.80 is: 149,436.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,535.92 : 211,950.72 = 108,250.80 : x
  2. Step 2: Convert to fraction form
    153,535.92/211,950.72 = 108,250.80/x
  3. Step 3: Cross multiply
    153,535.92x = 211,950.72 × 108,250.80
  4. Step 4: Simplify right side
    153,535.92x = 22,943,835,000.58
  5. Step 5: Solve for x
    x = 22,943,835,000.58/153,535.92
  6. Step 6: Final answer
    x = 149,436.27

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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.