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Finding the Fourth Proportional to 98,799.16, 148,198.83 and 46,245.55

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Solution

The fourth proportional to 98,799.16, 148,198.83 and 46,245.55 is: 69,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,799.16 : 148,198.83 = 46,245.55 : x
  2. Step 2: Convert to fraction form
    98,799.16/148,198.83 = 46,245.55/x
  3. Step 3: Cross multiply
    98,799.16x = 148,198.83 × 46,245.55
  4. Step 4: Simplify right side
    98,799.16x = 6,853,535,661.71
  5. Step 5: Solve for x
    x = 6,853,535,661.71/98,799.16
  6. Step 6: Final answer
    x = 69,368.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.