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Finding the Fourth Proportional to 164,838.79, 227,462.20 and 93,218.59

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Solution

The fourth proportional to 164,838.79, 227,462.20 and 93,218.59 is: 128,632.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,838.79 : 227,462.20 = 93,218.59 : x
  2. Step 2: Convert to fraction form
    164,838.79/227,462.20 = 93,218.59/x
  3. Step 3: Cross multiply
    164,838.79x = 227,462.20 × 93,218.59
  4. Step 4: Simplify right side
    164,838.79x = 21,203,705,562.30
  5. Step 5: Solve for x
    x = 21,203,705,562.30/164,838.79
  6. Step 6: Final answer
    x = 128,632.98

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1.5x scale

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.