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Finding the Fourth Proportional to 169,130.98, 233,343.88 and 97,509.43

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Solution

The fourth proportional to 169,130.98, 233,343.88 and 97,509.43 is: 134,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,130.98 : 233,343.88 = 97,509.43 : x
  2. Step 2: Convert to fraction form
    169,130.98/233,343.88 = 97,509.43/x
  3. Step 3: Cross multiply
    169,130.98x = 233,343.88 × 97,509.43
  4. Step 4: Simplify right side
    169,130.98x = 22,753,228,732.79
  5. Step 5: Solve for x
    x = 22,753,228,732.79/169,130.98
  6. Step 6: Final answer
    x = 134,530.22

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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.