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Finding the Fourth Proportional to 150,758.15, 208,143.59 and 93,458.70

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Solution

The fourth proportional to 150,758.15, 208,143.59 and 93,458.70 is: 129,033.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,758.15 : 208,143.59 = 93,458.70 : x
  2. Step 2: Convert to fraction form
    150,758.15/208,143.59 = 93,458.70/x
  3. Step 3: Cross multiply
    150,758.15x = 208,143.59 × 93,458.70
  4. Step 4: Simplify right side
    150,758.15x = 19,452,828,867.44
  5. Step 5: Solve for x
    x = 19,452,828,867.44/150,758.15
  6. Step 6: Final answer
    x = 129,033.35

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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.