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Finding the Fourth Proportional to 104,095.34, 156,119.66 and 47,881.46

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Solution

The fourth proportional to 104,095.34, 156,119.66 and 47,881.46 is: 71,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,095.34 : 156,119.66 = 47,881.46 : x
  2. Step 2: Convert to fraction form
    104,095.34/156,119.66 = 47,881.46/x
  3. Step 3: Cross multiply
    104,095.34x = 156,119.66 × 47,881.46
  4. Step 4: Simplify right side
    104,095.34x = 7,475,237,585.95
  5. Step 5: Solve for x
    x = 7,475,237,585.95/104,095.34
  6. Step 6: Final answer
    x = 71,811.45

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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.