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Finding the Fourth Proportional to 117,476.62, 162,079.14 and 66,484.28

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Solution

The fourth proportional to 117,476.62, 162,079.14 and 66,484.28 is: 91,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,476.62 : 162,079.14 = 66,484.28 : x
  2. Step 2: Convert to fraction form
    117,476.62/162,079.14 = 66,484.28/x
  3. Step 3: Cross multiply
    117,476.62x = 162,079.14 × 66,484.28
  4. Step 4: Simplify right side
    117,476.62x = 10,775,715,580.43
  5. Step 5: Solve for x
    x = 10,775,715,580.43/117,476.62
  6. Step 6: Final answer
    x = 91,726.47

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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.