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Finding the Fourth Proportional to 164,574.93, 227,203.79 and 103,384.95

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Solution

The fourth proportional to 164,574.93, 227,203.79 and 103,384.95 is: 142,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,574.93 : 227,203.79 = 103,384.95 : x
  2. Step 2: Convert to fraction form
    164,574.93/227,203.79 = 103,384.95/x
  3. Step 3: Cross multiply
    164,574.93x = 227,203.79 × 103,384.95
  4. Step 4: Simplify right side
    164,574.93x = 23,489,452,468.96
  5. Step 5: Solve for x
    x = 23,489,452,468.96/164,574.93
  6. Step 6: Final answer
    x = 142,728.01

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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.