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Finding the Fourth Proportional to 100,087.77, 150,148.05 and 47,468.55

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Solution

The fourth proportional to 100,087.77, 150,148.05 and 47,468.55 is: 71,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,087.77 : 150,148.05 = 47,468.55 : x
  2. Step 2: Convert to fraction form
    100,087.77/150,148.05 = 47,468.55/x
  3. Step 3: Cross multiply
    100,087.77x = 150,148.05 × 47,468.55
  4. Step 4: Simplify right side
    100,087.77x = 7,127,310,218.83
  5. Step 5: Solve for x
    x = 7,127,310,218.83/100,087.77
  6. Step 6: Final answer
    x = 71,210.60

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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.