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Finding the Fourth Proportional to 147,803.80, 221,640.90 and 59,027.80

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Solution

The fourth proportional to 147,803.80, 221,640.90 and 59,027.80 is: 88,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,803.80 : 221,640.90 = 59,027.80 : x
  2. Step 2: Convert to fraction form
    147,803.80/221,640.90 = 59,027.80/x
  3. Step 3: Cross multiply
    147,803.80x = 221,640.90 × 59,027.80
  4. Step 4: Simplify right side
    147,803.80x = 13,082,974,717.02
  5. Step 5: Solve for x
    x = 13,082,974,717.02/147,803.80
  6. Step 6: Final answer
    x = 88,515.82

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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.