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Finding the Fourth Proportional to 58,830.80, 88,246.20 and 35,445.20

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Solution

The fourth proportional to 58,830.80, 88,246.20 and 35,445.20 is: 53,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,830.80 : 88,246.20 = 35,445.20 : x
  2. Step 2: Convert to fraction form
    58,830.80/88,246.20 = 35,445.20/x
  3. Step 3: Cross multiply
    58,830.80x = 88,246.20 × 35,445.20
  4. Step 4: Simplify right side
    58,830.80x = 3,127,904,208.24
  5. Step 5: Solve for x
    x = 3,127,904,208.24/58,830.80
  6. Step 6: Final answer
    x = 53,167.80

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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.