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Finding the Fourth Proportional to 169,499, 233,908.44 and 93,018.53

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Solution

The fourth proportional to 169,499, 233,908.44 and 93,018.53 is: 128,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,499 : 233,908.44 = 93,018.53 : x
  2. Step 2: Convert to fraction form
    169,499/233,908.44 = 93,018.53/x
  3. Step 3: Cross multiply
    169,499x = 233,908.44 × 93,018.53
  4. Step 4: Simplify right side
    169,499x = 21,757,819,243.39
  5. Step 5: Solve for x
    x = 21,757,819,243.39/169,499
  6. Step 6: Final answer
    x = 128,365.47

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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.