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Finding the Fourth Proportional to 117,283.96, 161,847.87 and 69,508.93

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Solution

The fourth proportional to 117,283.96, 161,847.87 and 69,508.93 is: 95,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,283.96 : 161,847.87 = 69,508.93 : x
  2. Step 2: Convert to fraction form
    117,283.96/161,847.87 = 69,508.93/x
  3. Step 3: Cross multiply
    117,283.96x = 161,847.87 × 69,508.93
  4. Step 4: Simplify right side
    117,283.96x = 11,249,872,266.48
  5. Step 5: Solve for x
    x = 11,249,872,266.48/117,283.96
  6. Step 6: Final answer
    x = 95,919.96

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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.