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Finding the Fourth Proportional to 164,810.16, 227,400.21 and 93,174.57

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Solution

The fourth proportional to 164,810.16, 227,400.21 and 93,174.57 is: 128,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,810.16 : 227,400.21 = 93,174.57 : x
  2. Step 2: Convert to fraction form
    164,810.16/227,400.21 = 93,174.57/x
  3. Step 3: Cross multiply
    164,810.16x = 227,400.21 × 93,174.57
  4. Step 4: Simplify right side
    164,810.16x = 21,187,916,784.66
  5. Step 5: Solve for x
    x = 21,187,916,784.66/164,810.16
  6. Step 6: Final answer
    x = 128,559.53

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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.