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Finding the Fourth Proportional to 169,250, 233,565 and 93,803.36

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Solution

The fourth proportional to 169,250, 233,565 and 93,803.36 is: 129,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,250 : 233,565 = 93,803.36 : x
  2. Step 2: Convert to fraction form
    169,250/233,565 = 93,803.36/x
  3. Step 3: Cross multiply
    169,250x = 233,565 × 93,803.36
  4. Step 4: Simplify right side
    169,250x = 21,909,181,778.40
  5. Step 5: Solve for x
    x = 21,909,181,778.40/169,250
  6. Step 6: Final answer
    x = 129,448.64

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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.