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Finding the Fourth Proportional to 169,788.84, 234,308.10 and 93,313.11

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Solution

The fourth proportional to 169,788.84, 234,308.10 and 93,313.11 is: 128,771.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,788.84 : 234,308.10 = 93,313.11 : x
  2. Step 2: Convert to fraction form
    169,788.84/234,308.10 = 93,313.11/x
  3. Step 3: Cross multiply
    169,788.84x = 234,308.10 × 93,313.11
  4. Step 4: Simplify right side
    169,788.84x = 21,864,017,509.19
  5. Step 5: Solve for x
    x = 21,864,017,509.19/169,788.84
  6. Step 6: Final answer
    x = 128,771.82

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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.