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Finding the Fourth Proportional to 80,802.95, 111,477.78 and 46,799.03

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Solution

The fourth proportional to 80,802.95, 111,477.78 and 46,799.03 is: 64,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,802.95 : 111,477.78 = 46,799.03 : x
  2. Step 2: Convert to fraction form
    80,802.95/111,477.78 = 46,799.03/x
  3. Step 3: Cross multiply
    80,802.95x = 111,477.78 × 46,799.03
  4. Step 4: Simplify right side
    80,802.95x = 5,217,052,249.25
  5. Step 5: Solve for x
    x = 5,217,052,249.25/80,802.95
  6. Step 6: Final answer
    x = 64,565.13

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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.