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Finding the Fourth Proportional to 169,728.15, 234,224.99 and 93,247.39

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Solution

The fourth proportional to 169,728.15, 234,224.99 and 93,247.39 is: 128,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,728.15 : 234,224.99 = 93,247.39 : x
  2. Step 2: Convert to fraction form
    169,728.15/234,224.99 = 93,247.39/x
  3. Step 3: Cross multiply
    169,728.15x = 234,224.99 × 93,247.39
  4. Step 4: Simplify right side
    169,728.15x = 21,840,868,990.28
  5. Step 5: Solve for x
    x = 21,840,868,990.28/169,728.15
  6. Step 6: Final answer
    x = 128,681.48

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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.