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Finding the Fourth Proportional to 80,382.95, 110,902.94 and 46,386.95

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Solution

The fourth proportional to 80,382.95, 110,902.94 and 46,386.95 is: 63,999.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,382.95 : 110,902.94 = 46,386.95 : x
  2. Step 2: Convert to fraction form
    80,382.95/110,902.94 = 46,386.95/x
  3. Step 3: Cross multiply
    80,382.95x = 110,902.94 × 46,386.95
  4. Step 4: Simplify right side
    80,382.95x = 5,144,448,520.13
  5. Step 5: Solve for x
    x = 5,144,448,520.13/80,382.95
  6. Step 6: Final answer
    x = 63,999.25

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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.