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Finding the Fourth Proportional to 99,101.17, 148,724.66 and 65,810.17

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Solution

The fourth proportional to 99,101.17, 148,724.66 and 65,810.17 is: 98,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.17 : 148,724.66 = 65,810.17 : x
  2. Step 2: Convert to fraction form
    99,101.17/148,724.66 = 65,810.17/x
  3. Step 3: Cross multiply
    99,101.17x = 148,724.66 × 65,810.17
  4. Step 4: Simplify right side
    99,101.17x = 9,787,595,157.79
  5. Step 5: Solve for x
    x = 9,787,595,157.79/99,101.17
  6. Step 6: Final answer
    x = 98,763.67

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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.