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Finding the Fourth Proportional to 61,798.66, 92,697.86 and 53,453.86

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Solution

The fourth proportional to 61,798.66, 92,697.86 and 53,453.86 is: 80,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,798.66 : 92,697.86 = 53,453.86 : x
  2. Step 2: Convert to fraction form
    61,798.66/92,697.86 = 53,453.86/x
  3. Step 3: Cross multiply
    61,798.66x = 92,697.86 × 53,453.86
  4. Step 4: Simplify right side
    61,798.66x = 4,955,058,430.74
  5. Step 5: Solve for x
    x = 4,955,058,430.74/61,798.66
  6. Step 6: Final answer
    x = 80,180.68

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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.