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Finding the Fourth Proportional to 114,159.44, 157,571.69 and 66,422.01

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Solution

The fourth proportional to 114,159.44, 157,571.69 and 66,422.01 is: 91,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,159.44 : 157,571.69 = 66,422.01 : x
  2. Step 2: Convert to fraction form
    114,159.44/157,571.69 = 66,422.01/x
  3. Step 3: Cross multiply
    114,159.44x = 157,571.69 × 66,422.01
  4. Step 4: Simplify right side
    114,159.44x = 10,466,228,368.90
  5. Step 5: Solve for x
    x = 10,466,228,368.90/114,159.44
  6. Step 6: Final answer
    x = 91,680.80

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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.