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Finding the Fourth Proportional to 169,485.53, 233,889.39 and 93,005.90

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Solution

The fourth proportional to 169,485.53, 233,889.39 and 93,005.90 is: 128,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,485.53 : 233,889.39 = 93,005.90 : x
  2. Step 2: Convert to fraction form
    169,485.53/233,889.39 = 93,005.90/x
  3. Step 3: Cross multiply
    169,485.53x = 233,889.39 × 93,005.90
  4. Step 4: Simplify right side
    169,485.53x = 21,753,094,240.67
  5. Step 5: Solve for x
    x = 21,753,094,240.67/169,485.53
  6. Step 6: Final answer
    x = 128,347.80

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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.