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Finding the Fourth Proportional to 113,103.60, 169,543.80 and 63,207.60

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Solution

The fourth proportional to 113,103.60, 169,543.80 and 63,207.60 is: 94,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,103.60 : 169,543.80 = 63,207.60 : x
  2. Step 2: Convert to fraction form
    113,103.60/169,543.80 = 63,207.60/x
  3. Step 3: Cross multiply
    113,103.60x = 169,543.80 × 63,207.60
  4. Step 4: Simplify right side
    113,103.60x = 10,716,456,692.88
  5. Step 5: Solve for x
    x = 10,716,456,692.88/113,103.60
  6. Step 6: Final answer
    x = 94,749.03

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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.