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Finding the Fourth Proportional to 110,064.69, 151,880.67 and 64,744.38

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Solution

The fourth proportional to 110,064.69, 151,880.67 and 64,744.38 is: 89,342.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,064.69 : 151,880.67 = 64,744.38 : x
  2. Step 2: Convert to fraction form
    110,064.69/151,880.67 = 64,744.38/x
  3. Step 3: Cross multiply
    110,064.69x = 151,880.67 × 64,744.38
  4. Step 4: Simplify right side
    110,064.69x = 9,833,419,813.13
  5. Step 5: Solve for x
    x = 9,833,419,813.13/110,064.69
  6. Step 6: Final answer
    x = 89,342.18

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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.