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Finding the Fourth Proportional to 61,762.38, 92,191.58 and 53,053.26

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Solution

The fourth proportional to 61,762.38, 92,191.58 and 53,053.26 is: 79,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,762.38 : 92,191.58 = 53,053.26 : x
  2. Step 2: Convert to fraction form
    61,762.38/92,191.58 = 53,053.26/x
  3. Step 3: Cross multiply
    61,762.38x = 92,191.58 × 53,053.26
  4. Step 4: Simplify right side
    61,762.38x = 4,891,063,598.28
  5. Step 5: Solve for x
    x = 4,891,063,598.28/61,762.38
  6. Step 6: Final answer
    x = 79,191.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.