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Finding the Fourth Proportional to 169,887.41, 234,447.51 and 93,409.64

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Solution

The fourth proportional to 169,887.41, 234,447.51 and 93,409.64 is: 128,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,887.41 : 234,447.51 = 93,409.64 : x
  2. Step 2: Convert to fraction form
    169,887.41/234,447.51 = 93,409.64/x
  3. Step 3: Cross multiply
    169,887.41x = 234,447.51 × 93,409.64
  4. Step 4: Simplify right side
    169,887.41x = 21,899,656,335.76
  5. Step 5: Solve for x
    x = 21,899,656,335.76/169,887.41
  6. Step 6: Final answer
    x = 128,906.89

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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.