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Finding the Fourth Proportional to 255,437.52, 352,503.88 and 148,069.82

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Solution

The fourth proportional to 255,437.52, 352,503.88 and 148,069.82 is: 204,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,437.52 : 352,503.88 = 148,069.82 : x
  2. Step 2: Convert to fraction form
    255,437.52/352,503.88 = 148,069.82/x
  3. Step 3: Cross multiply
    255,437.52x = 352,503.88 × 148,069.82
  4. Step 4: Simplify right side
    255,437.52x = 52,195,187,404.88
  5. Step 5: Solve for x
    x = 52,195,187,404.88/255,437.52
  6. Step 6: Final answer
    x = 204,336.42

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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.