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Finding the Fourth Proportional to 157,648.10, 236,472.15 and 73,408.10

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Solution

The fourth proportional to 157,648.10, 236,472.15 and 73,408.10 is: 110,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,648.10 : 236,472.15 = 73,408.10 : x
  2. Step 2: Convert to fraction form
    157,648.10/236,472.15 = 73,408.10/x
  3. Step 3: Cross multiply
    157,648.10x = 236,472.15 × 73,408.10
  4. Step 4: Simplify right side
    157,648.10x = 17,358,971,234.42
  5. Step 5: Solve for x
    x = 17,358,971,234.42/157,648.10
  6. Step 6: Final answer
    x = 110,112.15

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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.