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Finding the Fourth Proportional to 83,988.46, 115,904.08 and 46,262.71

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Solution

The fourth proportional to 83,988.46, 115,904.08 and 46,262.71 is: 63,842.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,988.46 : 115,904.08 = 46,262.71 : x
  2. Step 2: Convert to fraction form
    83,988.46/115,904.08 = 46,262.71/x
  3. Step 3: Cross multiply
    83,988.46x = 115,904.08 × 46,262.71
  4. Step 4: Simplify right side
    83,988.46x = 5,362,036,359.42
  5. Step 5: Solve for x
    x = 5,362,036,359.42/83,988.46
  6. Step 6: Final answer
    x = 63,842.54

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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.