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Finding the Fourth Proportional to 152,151.40, 228,227.10 and 104,912.20

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Solution

The fourth proportional to 152,151.40, 228,227.10 and 104,912.20 is: 157,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,151.40 : 228,227.10 = 104,912.20 : x
  2. Step 2: Convert to fraction form
    152,151.40/228,227.10 = 104,912.20/x
  3. Step 3: Cross multiply
    152,151.40x = 228,227.10 × 104,912.20
  4. Step 4: Simplify right side
    152,151.40x = 23,943,807,160.62
  5. Step 5: Solve for x
    x = 23,943,807,160.62/152,151.40
  6. Step 6: Final answer
    x = 157,368.30

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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.