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Finding the Fourth Proportional to 153,015.20, 229,069.20 and 113,746.40

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Solution

The fourth proportional to 153,015.20, 229,069.20 and 113,746.40 is: 170,282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,015.20 : 229,069.20 = 113,746.40 : x
  2. Step 2: Convert to fraction form
    153,015.20/229,069.20 = 113,746.40/x
  3. Step 3: Cross multiply
    153,015.20x = 229,069.20 × 113,746.40
  4. Step 4: Simplify right side
    153,015.20x = 26,055,796,850.88
  5. Step 5: Solve for x
    x = 26,055,796,850.88/153,015.20
  6. Step 6: Final answer
    x = 170,282.41

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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.