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Finding the Fourth Proportional to 100,267.84, 150,421.60 and 44,864.32

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Solution

The fourth proportional to 100,267.84, 150,421.60 and 44,864.32 is: 67,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,267.84 : 150,421.60 = 44,864.32 : x
  2. Step 2: Convert to fraction form
    100,267.84/150,421.60 = 44,864.32/x
  3. Step 3: Cross multiply
    100,267.84x = 150,421.60 × 44,864.32
  4. Step 4: Simplify right side
    100,267.84x = 6,748,562,797.31
  5. Step 5: Solve for x
    x = 6,748,562,797.31/100,267.84
  6. Step 6: Final answer
    x = 67,305.36

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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.