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Finding the Fourth Proportional to 117,282.96, 161,846.49 and 69,507.93

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Solution

The fourth proportional to 117,282.96, 161,846.49 and 69,507.93 is: 95,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,282.96 : 161,846.49 = 69,507.93 : x
  2. Step 2: Convert to fraction form
    117,282.96/161,846.49 = 69,507.93/x
  3. Step 3: Cross multiply
    117,282.96x = 161,846.49 × 69,507.93
  4. Step 4: Simplify right side
    117,282.96x = 11,249,614,497.67
  5. Step 5: Solve for x
    x = 11,249,614,497.67/117,282.96
  6. Step 6: Final answer
    x = 95,918.58

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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.