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Finding the Fourth Proportional to 137,001.54, 205,108.65 and 101,222.22

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Solution

The fourth proportional to 137,001.54, 205,108.65 and 101,222.22 is: 151,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,001.54 : 205,108.65 = 101,222.22 : x
  2. Step 2: Convert to fraction form
    137,001.54/205,108.65 = 101,222.22/x
  3. Step 3: Cross multiply
    137,001.54x = 205,108.65 × 101,222.22
  4. Step 4: Simplify right side
    137,001.54x = 20,761,552,894.20
  5. Step 5: Solve for x
    x = 20,761,552,894.20/137,001.54
  6. Step 6: Final answer
    x = 151,542.48

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1.5x scale

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.