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Finding the Fourth Proportional to 225,506.91, 310,984.79 and 134,848.11

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Solution

The fourth proportional to 225,506.91, 310,984.79 and 134,848.11 is: 185,961.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,506.91 : 310,984.79 = 134,848.11 : x
  2. Step 2: Convert to fraction form
    225,506.91/310,984.79 = 134,848.11/x
  3. Step 3: Cross multiply
    225,506.91x = 310,984.79 × 134,848.11
  4. Step 4: Simplify right side
    225,506.91x = 41,935,709,615.32
  5. Step 5: Solve for x
    x = 41,935,709,615.32/225,506.91
  6. Step 6: Final answer
    x = 185,961.98

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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.