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Finding the Fourth Proportional to 114,282.69, 157,710.56 and 66,568.83

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Solution

The fourth proportional to 114,282.69, 157,710.56 and 66,568.83 is: 91,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,282.69 : 157,710.56 = 66,568.83 : x
  2. Step 2: Convert to fraction form
    114,282.69/157,710.56 = 66,568.83/x
  3. Step 3: Cross multiply
    114,282.69x = 157,710.56 × 66,568.83
  4. Step 4: Simplify right side
    114,282.69x = 10,498,607,457.84
  5. Step 5: Solve for x
    x = 10,498,607,457.84/114,282.69
  6. Step 6: Final answer
    x = 91,865.25

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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.