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Finding the Fourth Proportional to 83,989.95, 115,906.14 and 46,264.20

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Solution

The fourth proportional to 83,989.95, 115,906.14 and 46,264.20 is: 63,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,989.95 : 115,906.14 = 46,264.20 : x
  2. Step 2: Convert to fraction form
    83,989.95/115,906.14 = 46,264.20/x
  3. Step 3: Cross multiply
    83,989.95x = 115,906.14 × 46,264.20
  4. Step 4: Simplify right side
    83,989.95x = 5,362,304,842.19
  5. Step 5: Solve for x
    x = 5,362,304,842.19/83,989.95
  6. Step 6: Final answer
    x = 63,844.60

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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.