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Finding the Fourth Proportional to 70,052.19, 105,184.07 and 55,970.39

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Solution

The fourth proportional to 70,052.19, 105,184.07 and 55,970.39 is: 84,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,052.19 : 105,184.07 = 55,970.39 : x
  2. Step 2: Convert to fraction form
    70,052.19/105,184.07 = 55,970.39/x
  3. Step 3: Cross multiply
    70,052.19x = 105,184.07 × 55,970.39
  4. Step 4: Simplify right side
    70,052.19x = 5,887,193,612.68
  5. Step 5: Solve for x
    x = 5,887,193,612.68/70,052.19
  6. Step 6: Final answer
    x = 84,040.11

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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.