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Finding the Fourth Proportional to 169,400.14, 233,781.87 and 102,353.74

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Solution

The fourth proportional to 169,400.14, 233,781.87 and 102,353.74 is: 141,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,400.14 : 233,781.87 = 102,353.74 : x
  2. Step 2: Convert to fraction form
    169,400.14/233,781.87 = 102,353.74/x
  3. Step 3: Cross multiply
    169,400.14x = 233,781.87 × 102,353.74
  4. Step 4: Simplify right side
    169,400.14x = 23,928,448,738.69
  5. Step 5: Solve for x
    x = 23,928,448,738.69/169,400.14
  6. Step 6: Final answer
    x = 141,254.01

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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.