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Finding the Fourth Proportional to 153,718.56, 230,622.49 and 63,744.77

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Solution

The fourth proportional to 153,718.56, 230,622.49 and 63,744.77 is: 95,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,718.56 : 230,622.49 = 63,744.77 : x
  2. Step 2: Convert to fraction form
    153,718.56/230,622.49 = 63,744.77/x
  3. Step 3: Cross multiply
    153,718.56x = 230,622.49 × 63,744.77
  4. Step 4: Simplify right side
    153,718.56x = 14,700,977,581.88
  5. Step 5: Solve for x
    x = 14,700,977,581.88/153,718.56
  6. Step 6: Final answer
    x = 95,635.67

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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.