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Finding the Fourth Proportional to 83,566.93, 115,320.54 and 47,263.58

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Solution

The fourth proportional to 83,566.93, 115,320.54 and 47,263.58 is: 65,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,566.93 : 115,320.54 = 47,263.58 : x
  2. Step 2: Convert to fraction form
    83,566.93/115,320.54 = 47,263.58/x
  3. Step 3: Cross multiply
    83,566.93x = 115,320.54 × 47,263.58
  4. Step 4: Simplify right side
    83,566.93x = 5,450,461,567.93
  5. Step 5: Solve for x
    x = 5,450,461,567.93/83,566.93
  6. Step 6: Final answer
    x = 65,222.71

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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.