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Finding the Fourth Proportional to 191,851.60, 287,752.20 and 58,745.20

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Solution

The fourth proportional to 191,851.60, 287,752.20 and 58,745.20 is: 88,110.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,851.60 : 287,752.20 = 58,745.20 : x
  2. Step 2: Convert to fraction form
    191,851.60/287,752.20 = 58,745.20/x
  3. Step 3: Cross multiply
    191,851.60x = 287,752.20 × 58,745.20
  4. Step 4: Simplify right side
    191,851.60x = 16,904,060,539.44
  5. Step 5: Solve for x
    x = 16,904,060,539.44/191,851.60
  6. Step 6: Final answer
    x = 88,110.08

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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.