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Finding the Fourth Proportional to 148,916.80, 223,375.20 and 64,717.30

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Solution

The fourth proportional to 148,916.80, 223,375.20 and 64,717.30 is: 97,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,916.80 : 223,375.20 = 64,717.30 : x
  2. Step 2: Convert to fraction form
    148,916.80/223,375.20 = 64,717.30/x
  3. Step 3: Cross multiply
    148,916.80x = 223,375.20 × 64,717.30
  4. Step 4: Simplify right side
    148,916.80x = 14,456,239,830.96
  5. Step 5: Solve for x
    x = 14,456,239,830.96/148,916.80
  6. Step 6: Final answer
    x = 97,075.95

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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.