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Finding the Fourth Proportional to 169,700.67, 234,030.47 and 115,334.28

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Solution

The fourth proportional to 169,700.67, 234,030.47 and 115,334.28 is: 159,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,700.67 : 234,030.47 = 115,334.28 : x
  2. Step 2: Convert to fraction form
    169,700.67/234,030.47 = 115,334.28/x
  3. Step 3: Cross multiply
    169,700.67x = 234,030.47 × 115,334.28
  4. Step 4: Simplify right side
    169,700.67x = 26,991,735,178.84
  5. Step 5: Solve for x
    x = 26,991,735,178.84/169,700.67
  6. Step 6: Final answer
    x = 159,054.97

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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.