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Finding the Fourth Proportional to 84,248.34, 126,343.35 and 46,865.22

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Solution

The fourth proportional to 84,248.34, 126,343.35 and 46,865.22 is: 70,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248.34 : 126,343.35 = 46,865.22 : x
  2. Step 2: Convert to fraction form
    84,248.34/126,343.35 = 46,865.22/x
  3. Step 3: Cross multiply
    84,248.34x = 126,343.35 × 46,865.22
  4. Step 4: Simplify right side
    84,248.34x = 5,921,108,893.29
  5. Step 5: Solve for x
    x = 5,921,108,893.29/84,248.34
  6. Step 6: Final answer
    x = 70,281.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.