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Finding the Fourth Proportional to 150,338.67, 207,459.93 and 82,355.94

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Solution

The fourth proportional to 150,338.67, 207,459.93 and 82,355.94 is: 113,647.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,338.67 : 207,459.93 = 82,355.94 : x
  2. Step 2: Convert to fraction form
    150,338.67/207,459.93 = 82,355.94/x
  3. Step 3: Cross multiply
    150,338.67x = 207,459.93 × 82,355.94
  4. Step 4: Simplify right side
    150,338.67x = 17,085,557,547.48
  5. Step 5: Solve for x
    x = 17,085,557,547.48/150,338.67
  6. Step 6: Final answer
    x = 113,647.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.