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Finding the Fourth Proportional to 117,368, 161,968.08 and 67,066.88

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Solution

The fourth proportional to 117,368, 161,968.08 and 67,066.88 is: 92,552.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,368 : 161,968.08 = 67,066.88 : x
  2. Step 2: Convert to fraction form
    117,368/161,968.08 = 67,066.88/x
  3. Step 3: Cross multiply
    117,368x = 161,968.08 × 67,066.88
  4. Step 4: Simplify right side
    117,368x = 10,862,693,785.19
  5. Step 5: Solve for x
    x = 10,862,693,785.19/117,368
  6. Step 6: Final answer
    x = 92,552.43

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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.