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Finding the Fourth Proportional to 169,568.69, 234,005.70 and 105,943.39

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Solution

The fourth proportional to 169,568.69, 234,005.70 and 105,943.39 is: 146,202.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,568.69 : 234,005.70 = 105,943.39 : x
  2. Step 2: Convert to fraction form
    169,568.69/234,005.70 = 105,943.39/x
  3. Step 3: Cross multiply
    169,568.69x = 234,005.70 × 105,943.39
  4. Step 4: Simplify right side
    169,568.69x = 24,791,357,137.32
  5. Step 5: Solve for x
    x = 24,791,357,137.32/169,568.69
  6. Step 6: Final answer
    x = 146,202.45

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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.