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Finding the Fourth Proportional to 128,595.80, 193,018.21 and 62,082.62

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Solution

The fourth proportional to 128,595.80, 193,018.21 and 62,082.62 is: 93,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,595.80 : 193,018.21 = 62,082.62 : x
  2. Step 2: Convert to fraction form
    128,595.80/193,018.21 = 62,082.62/x
  3. Step 3: Cross multiply
    128,595.80x = 193,018.21 × 62,082.62
  4. Step 4: Simplify right side
    128,595.80x = 11,983,075,788.03
  5. Step 5: Solve for x
    x = 11,983,075,788.03/128,595.80
  6. Step 6: Final answer
    x = 93,184.04

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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.