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Finding the Fourth Proportional to 104,951.40, 157,427.10 and 100,577.40

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Solution

The fourth proportional to 104,951.40, 157,427.10 and 100,577.40 is: 150,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,951.40 : 157,427.10 = 100,577.40 : x
  2. Step 2: Convert to fraction form
    104,951.40/157,427.10 = 100,577.40/x
  3. Step 3: Cross multiply
    104,951.40x = 157,427.10 × 100,577.40
  4. Step 4: Simplify right side
    104,951.40x = 15,833,608,407.54
  5. Step 5: Solve for x
    x = 15,833,608,407.54/104,951.40
  6. Step 6: Final answer
    x = 150,866.10

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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.