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Finding the Fourth Proportional to 92,851.48, 128,135.04 and 50,410.02

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Solution

The fourth proportional to 92,851.48, 128,135.04 and 50,410.02 is: 69,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,851.48 : 128,135.04 = 50,410.02 : x
  2. Step 2: Convert to fraction form
    92,851.48/128,135.04 = 50,410.02/x
  3. Step 3: Cross multiply
    92,851.48x = 128,135.04 × 50,410.02
  4. Step 4: Simplify right side
    92,851.48x = 6,459,289,929.10
  5. Step 5: Solve for x
    x = 6,459,289,929.10/92,851.48
  6. Step 6: Final answer
    x = 69,565.83

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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.