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Finding the Fourth Proportional to 117,369.24, 161,966.70 and 67,065.24

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Solution

The fourth proportional to 117,369.24, 161,966.70 and 67,065.24 is: 92,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,369.24 : 161,966.70 = 67,065.24 : x
  2. Step 2: Convert to fraction form
    117,369.24/161,966.70 = 67,065.24/x
  3. Step 3: Cross multiply
    117,369.24x = 161,966.70 × 67,065.24
  4. Step 4: Simplify right side
    117,369.24x = 10,862,335,607.51
  5. Step 5: Solve for x
    x = 10,862,335,607.51/117,369.24
  6. Step 6: Final answer
    x = 92,548.40

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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.