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Finding the Fourth Proportional to 147,803.30, 221,640.15 and 59,027.30

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Solution

The fourth proportional to 147,803.30, 221,640.15 and 59,027.30 is: 88,515.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.30 : 221,640.15 = 59,027.30 : x
  2. Step 2: Convert to fraction form
    147,803.30/221,640.15 = 59,027.30/x
  3. Step 3: Cross multiply
    147,803.30x = 221,640.15 × 59,027.30
  4. Step 4: Simplify right side
    147,803.30x = 13,082,819,626.10
  5. Step 5: Solve for x
    x = 13,082,819,626.10/147,803.30
  6. Step 6: Final answer
    x = 88,515.07

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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.