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Finding the Fourth Proportional to 153,936.10, 230,904.15 and 101,404.90

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Solution

The fourth proportional to 153,936.10, 230,904.15 and 101,404.90 is: 152,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,936.10 : 230,904.15 = 101,404.90 : x
  2. Step 2: Convert to fraction form
    153,936.10/230,904.15 = 101,404.90/x
  3. Step 3: Cross multiply
    153,936.10x = 230,904.15 × 101,404.90
  4. Step 4: Simplify right side
    153,936.10x = 23,414,812,240.34
  5. Step 5: Solve for x
    x = 23,414,812,240.34/153,936.10
  6. Step 6: Final answer
    x = 152,107.35

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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.