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Finding the Fourth Proportional to 164,718.40, 247,082.40 and 59,518.72

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Solution

The fourth proportional to 164,718.40, 247,082.40 and 59,518.72 is: 89,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,718.40 : 247,082.40 = 59,518.72 : x
  2. Step 2: Convert to fraction form
    164,718.40/247,082.40 = 59,518.72/x
  3. Step 3: Cross multiply
    164,718.40x = 247,082.40 × 59,518.72
  4. Step 4: Simplify right side
    164,718.40x = 14,706,028,182.53
  5. Step 5: Solve for x
    x = 14,706,028,182.53/164,718.40
  6. Step 6: Final answer
    x = 89,279.81

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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.