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Finding the Fourth Proportional to 164,784.64, 227,400.42 and 93,162.28

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Solution

The fourth proportional to 164,784.64, 227,400.42 and 93,162.28 is: 128,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,784.64 : 227,400.42 = 93,162.28 : x
  2. Step 2: Convert to fraction form
    164,784.64/227,400.42 = 93,162.28/x
  3. Step 3: Cross multiply
    164,784.64x = 227,400.42 × 93,162.28
  4. Step 4: Simplify right side
    164,784.64x = 21,185,141,600.16
  5. Step 5: Solve for x
    x = 21,185,141,600.16/164,784.64
  6. Step 6: Final answer
    x = 128,562.60

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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.