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Finding the Fourth Proportional to 100,055.08, 150,105 and 52,692.47

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Solution

The fourth proportional to 100,055.08, 150,105 and 52,692.47 is: 79,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,055.08 : 150,105 = 52,692.47 : x
  2. Step 2: Convert to fraction form
    100,055.08/150,105 = 52,692.47/x
  3. Step 3: Cross multiply
    100,055.08x = 150,105 × 52,692.47
  4. Step 4: Simplify right side
    100,055.08x = 7,909,402,458.83
  5. Step 5: Solve for x
    x = 7,909,402,458.83/100,055.08
  6. Step 6: Final answer
    x = 79,050.49

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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.