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Finding the Fourth Proportional to 164,778.76, 227,385.79 and 93,154.51

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Solution

The fourth proportional to 164,778.76, 227,385.79 and 93,154.51 is: 128,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,778.76 : 227,385.79 = 93,154.51 : x
  2. Step 2: Convert to fraction form
    164,778.76/227,385.79 = 93,154.51/x
  3. Step 3: Cross multiply
    164,778.76x = 227,385.79 × 93,154.51
  4. Step 4: Simplify right side
    164,778.76x = 21,182,011,848.41
  5. Step 5: Solve for x
    x = 21,182,011,848.41/164,778.76
  6. Step 6: Final answer
    x = 128,548.19

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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.