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Finding the Fourth Proportional to 100,998.10, 151,497.15 and 96,405.40

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Solution

The fourth proportional to 100,998.10, 151,497.15 and 96,405.40 is: 144,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998.10 : 151,497.15 = 96,405.40 : x
  2. Step 2: Convert to fraction form
    100,998.10/151,497.15 = 96,405.40/x
  3. Step 3: Cross multiply
    100,998.10x = 151,497.15 × 96,405.40
  4. Step 4: Simplify right side
    100,998.10x = 14,605,143,344.61
  5. Step 5: Solve for x
    x = 14,605,143,344.61/100,998.10
  6. Step 6: Final answer
    x = 144,608.10

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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.