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Finding the Fourth Proportional to 73,500.90, 110,251.35 and 47,256.90

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Solution

The fourth proportional to 73,500.90, 110,251.35 and 47,256.90 is: 70,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.90 : 110,251.35 = 47,256.90 : x
  2. Step 2: Convert to fraction form
    73,500.90/110,251.35 = 47,256.90/x
  3. Step 3: Cross multiply
    73,500.90x = 110,251.35 × 47,256.90
  4. Step 4: Simplify right side
    73,500.90x = 5,210,137,021.82
  5. Step 5: Solve for x
    x = 5,210,137,021.82/73,500.90
  6. Step 6: Final answer
    x = 70,885.35

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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.