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Finding the Fourth Proportional to 164,991.68, 227,686.08 and 93,385.28

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Solution

The fourth proportional to 164,991.68, 227,686.08 and 93,385.28 is: 128,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,991.68 : 227,686.08 = 93,385.28 : x
  2. Step 2: Convert to fraction form
    164,991.68/227,686.08 = 93,385.28/x
  3. Step 3: Cross multiply
    164,991.68x = 227,686.08 × 93,385.28
  4. Step 4: Simplify right side
    164,991.68x = 21,262,528,332.90
  5. Step 5: Solve for x
    x = 21,262,528,332.90/164,991.68
  6. Step 6: Final answer
    x = 128,870.31

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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.