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Finding the Fourth Proportional to 61,567.56, 92,313 and 40,235.40

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Solution

The fourth proportional to 61,567.56, 92,313 and 40,235.40 is: 60,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,567.56 : 92,313 = 40,235.40 : x
  2. Step 2: Convert to fraction form
    61,567.56/92,313 = 40,235.40/x
  3. Step 3: Cross multiply
    61,567.56x = 92,313 × 40,235.40
  4. Step 4: Simplify right side
    61,567.56x = 3,714,250,480.20
  5. Step 5: Solve for x
    x = 3,714,250,480.20/61,567.56
  6. Step 6: Final answer
    x = 60,328.04

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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.