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Finding the Fourth Proportional to 116,560.88, 160,853.28 and 66,259.88

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Solution

The fourth proportional to 116,560.88, 160,853.28 and 66,259.88 is: 91,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,560.88 : 160,853.28 = 66,259.88 : x
  2. Step 2: Convert to fraction form
    116,560.88/160,853.28 = 66,259.88/x
  3. Step 3: Cross multiply
    116,560.88x = 160,853.28 × 66,259.88
  4. Step 4: Simplify right side
    116,560.88x = 10,658,119,030.41
  5. Step 5: Solve for x
    x = 10,658,119,030.41/116,560.88
  6. Step 6: Final answer
    x = 91,438.22

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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.