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Finding the Fourth Proportional to 169,141.69, 233,415.03 and 97,521.09

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Solution

The fourth proportional to 169,141.69, 233,415.03 and 97,521.09 is: 134,578.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,141.69 : 233,415.03 = 97,521.09 : x
  2. Step 2: Convert to fraction form
    169,141.69/233,415.03 = 97,521.09/x
  3. Step 3: Cross multiply
    169,141.69x = 233,415.03 × 97,521.09
  4. Step 4: Simplify right side
    169,141.69x = 22,762,888,147.98
  5. Step 5: Solve for x
    x = 22,762,888,147.98/169,141.69
  6. Step 6: Final answer
    x = 134,578.81

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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.