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Finding the Fourth Proportional to 236,353.47, 354,530.03 and 70,141.47

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Solution

The fourth proportional to 236,353.47, 354,530.03 and 70,141.47 is: 105,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,353.47 : 354,530.03 = 70,141.47 : x
  2. Step 2: Convert to fraction form
    236,353.47/354,530.03 = 70,141.47/x
  3. Step 3: Cross multiply
    236,353.47x = 354,530.03 × 70,141.47
  4. Step 4: Simplify right side
    236,353.47x = 24,867,257,112.64
  5. Step 5: Solve for x
    x = 24,867,257,112.64/236,353.47
  6. Step 6: Final answer
    x = 105,212.15

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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.