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Finding the Fourth Proportional to 162,872.57, 244,339.57 and 61,700.91

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Solution

The fourth proportional to 162,872.57, 244,339.57 and 61,700.91 is: 92,563.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,872.57 : 244,339.57 = 61,700.91 : x
  2. Step 2: Convert to fraction form
    162,872.57/244,339.57 = 61,700.91/x
  3. Step 3: Cross multiply
    162,872.57x = 244,339.57 × 61,700.91
  4. Step 4: Simplify right side
    162,872.57x = 15,075,973,818.01
  5. Step 5: Solve for x
    x = 15,075,973,818.01/162,872.57
  6. Step 6: Final answer
    x = 92,563.00

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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.