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Finding the Fourth Proportional to 232,498.50, 348,750.99 and 66,286.50

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Solution

The fourth proportional to 232,498.50, 348,750.99 and 66,286.50 is: 99,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,498.50 : 348,750.99 = 66,286.50 : x
  2. Step 2: Convert to fraction form
    232,498.50/348,750.99 = 66,286.50/x
  3. Step 3: Cross multiply
    232,498.50x = 348,750.99 × 66,286.50
  4. Step 4: Simplify right side
    232,498.50x = 23,117,482,498.64
  5. Step 5: Solve for x
    x = 23,117,482,498.64/232,498.50
  6. Step 6: Final answer
    x = 99,430.67

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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.