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Finding the Fourth Proportional to 83,988.86, 115,904.94 and 46,263.02

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Solution

The fourth proportional to 83,988.86, 115,904.94 and 46,263.02 is: 63,843.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,988.86 : 115,904.94 = 46,263.02 : x
  2. Step 2: Convert to fraction form
    83,988.86/115,904.94 = 46,263.02/x
  3. Step 3: Cross multiply
    83,988.86x = 115,904.94 × 46,263.02
  4. Step 4: Simplify right side
    83,988.86x = 5,362,112,557.32
  5. Step 5: Solve for x
    x = 5,362,112,557.32/83,988.86
  6. Step 6: Final answer
    x = 63,843.14

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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.