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Finding the Fourth Proportional to 92,158.53, 127,132.32 and 53,893.02

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Solution

The fourth proportional to 92,158.53, 127,132.32 and 53,893.02 is: 74,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,158.53 : 127,132.32 = 53,893.02 : x
  2. Step 2: Convert to fraction form
    92,158.53/127,132.32 = 53,893.02/x
  3. Step 3: Cross multiply
    92,158.53x = 127,132.32 × 53,893.02
  4. Step 4: Simplify right side
    92,158.53x = 6,851,544,664.41
  5. Step 5: Solve for x
    x = 6,851,544,664.41/92,158.53
  6. Step 6: Final answer
    x = 74,345.20

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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.