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Finding the Fourth Proportional to 61,482.80, 92,224.20 and 54,225.20

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Solution

The fourth proportional to 61,482.80, 92,224.20 and 54,225.20 is: 81,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.80 : 92,224.20 = 54,225.20 : x
  2. Step 2: Convert to fraction form
    61,482.80/92,224.20 = 54,225.20/x
  3. Step 3: Cross multiply
    61,482.80x = 92,224.20 × 54,225.20
  4. Step 4: Simplify right side
    61,482.80x = 5,000,875,689.84
  5. Step 5: Solve for x
    x = 5,000,875,689.84/61,482.80
  6. Step 6: Final answer
    x = 81,337.80

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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.