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Finding the Fourth Proportional to 83,483.66, 125,220.63 and 27,360.38

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Solution

The fourth proportional to 83,483.66, 125,220.63 and 27,360.38 is: 41,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,483.66 : 125,220.63 = 27,360.38 : x
  2. Step 2: Convert to fraction form
    83,483.66/125,220.63 = 27,360.38/x
  3. Step 3: Cross multiply
    83,483.66x = 125,220.63 × 27,360.38
  4. Step 4: Simplify right side
    83,483.66x = 3,426,084,020.64
  5. Step 5: Solve for x
    x = 3,426,084,020.64/83,483.66
  6. Step 6: Final answer
    x = 41,038.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.