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Finding the Fourth Proportional to 225,346.71, 310,977.94 and 134,698.28

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Solution

The fourth proportional to 225,346.71, 310,977.94 and 134,698.28 is: 185,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,346.71 : 310,977.94 = 134,698.28 : x
  2. Step 2: Convert to fraction form
    225,346.71/310,977.94 = 134,698.28/x
  3. Step 3: Cross multiply
    225,346.71x = 310,977.94 × 134,698.28
  4. Step 4: Simplify right side
    225,346.71x = 41,888,192,962.45
  5. Step 5: Solve for x
    x = 41,888,192,962.45/225,346.71
  6. Step 6: Final answer
    x = 185,883.31

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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.