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Finding the Fourth Proportional to 61,482.10, 92,223.15 and 56,427.70

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Solution

The fourth proportional to 61,482.10, 92,223.15 and 56,427.70 is: 84,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.10 : 92,223.15 = 56,427.70 : x
  2. Step 2: Convert to fraction form
    61,482.10/92,223.15 = 56,427.70/x
  3. Step 3: Cross multiply
    61,482.10x = 92,223.15 × 56,427.70
  4. Step 4: Simplify right side
    61,482.10x = 5,203,940,241.26
  5. Step 5: Solve for x
    x = 5,203,940,241.26/61,482.10
  6. Step 6: Final answer
    x = 84,641.55

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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.