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Finding the Fourth Proportional to 234,010.20, 351,015.28 and 65,555.47

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Solution

The fourth proportional to 234,010.20, 351,015.28 and 65,555.47 is: 98,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,010.20 : 351,015.28 = 65,555.47 : x
  2. Step 2: Convert to fraction form
    234,010.20/351,015.28 = 65,555.47/x
  3. Step 3: Cross multiply
    234,010.20x = 351,015.28 × 65,555.47
  4. Step 4: Simplify right side
    234,010.20x = 23,010,971,657.58
  5. Step 5: Solve for x
    x = 23,010,971,657.58/234,010.20
  6. Step 6: Final answer
    x = 98,333.20

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1.5x scale

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.