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Finding the Fourth Proportional to 117,232.60, 161,762.71 and 69,478.24

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Solution

The fourth proportional to 117,232.60, 161,762.71 and 69,478.24 is: 95,869.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,232.60 : 161,762.71 = 69,478.24 : x
  2. Step 2: Convert to fraction form
    117,232.60/161,762.71 = 69,478.24/x
  3. Step 3: Cross multiply
    117,232.60x = 161,762.71 × 69,478.24
  4. Step 4: Simplify right side
    117,232.60x = 11,238,988,388.43
  5. Step 5: Solve for x
    x = 11,238,988,388.43/117,232.60
  6. Step 6: Final answer
    x = 95,869.14

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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.