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Finding the Fourth Proportional to 100,970.01, 151,468.11 and 34,392.33

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Solution

The fourth proportional to 100,970.01, 151,468.11 and 34,392.33 is: 51,592.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,970.01 : 151,468.11 = 34,392.33 : x
  2. Step 2: Convert to fraction form
    100,970.01/151,468.11 = 34,392.33/x
  3. Step 3: Cross multiply
    100,970.01x = 151,468.11 × 34,392.33
  4. Step 4: Simplify right side
    100,970.01x = 5,209,341,223.60
  5. Step 5: Solve for x
    x = 5,209,341,223.60/100,970.01
  6. Step 6: Final answer
    x = 51,592.96

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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.