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Finding the Fourth Proportional to 169,756, 234,284.88 and 102,688.48

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Solution

The fourth proportional to 169,756, 234,284.88 and 102,688.48 is: 141,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,756 : 234,284.88 = 102,688.48 : x
  2. Step 2: Convert to fraction form
    169,756/234,284.88 = 102,688.48/x
  3. Step 3: Cross multiply
    169,756x = 234,284.88 × 102,688.48
  4. Step 4: Simplify right side
    169,756x = 24,058,358,214.18
  5. Step 5: Solve for x
    x = 24,058,358,214.18/169,756
  6. Step 6: Final answer
    x = 141,723.17

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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.