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Finding the Fourth Proportional to 158,758.50, 219,078.80 and 94,230.54

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Solution

The fourth proportional to 158,758.50, 219,078.80 and 94,230.54 is: 130,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,758.50 : 219,078.80 = 94,230.54 : x
  2. Step 2: Convert to fraction form
    158,758.50/219,078.80 = 94,230.54/x
  3. Step 3: Cross multiply
    158,758.50x = 219,078.80 × 94,230.54
  4. Step 4: Simplify right side
    158,758.50x = 20,643,913,155.40
  5. Step 5: Solve for x
    x = 20,643,913,155.40/158,758.50
  6. Step 6: Final answer
    x = 130,033.44

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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.