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Finding the Fourth Proportional to 275,066.69, 412,596.69 and 75,386.91

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Solution

The fourth proportional to 275,066.69, 412,596.69 and 75,386.91 is: 113,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,066.69 : 412,596.69 = 75,386.91 : x
  2. Step 2: Convert to fraction form
    275,066.69/412,596.69 = 75,386.91/x
  3. Step 3: Cross multiply
    275,066.69x = 412,596.69 × 75,386.91
  4. Step 4: Simplify right side
    275,066.69x = 31,104,389,535.33
  5. Step 5: Solve for x
    x = 31,104,389,535.33/275,066.69
  6. Step 6: Final answer
    x = 113,079.45

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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.