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Finding the Fourth Proportional to 92,883.76, 139,423.92 and 57,848.02

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Solution

The fourth proportional to 92,883.76, 139,423.92 and 57,848.02 is: 86,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.76 : 139,423.92 = 57,848.02 : x
  2. Step 2: Convert to fraction form
    92,883.76/139,423.92 = 57,848.02/x
  3. Step 3: Cross multiply
    92,883.76x = 139,423.92 × 57,848.02
  4. Step 4: Simplify right side
    92,883.76x = 8,065,397,712.64
  5. Step 5: Solve for x
    x = 8,065,397,712.64/92,883.76
  6. Step 6: Final answer
    x = 86,833.24

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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.