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Finding the Fourth Proportional to 237,798, 356,445.60 and 87,942.12

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Solution

The fourth proportional to 237,798, 356,445.60 and 87,942.12 is: 131,820.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,798 : 356,445.60 = 87,942.12 : x
  2. Step 2: Convert to fraction form
    237,798/356,445.60 = 87,942.12/x
  3. Step 3: Cross multiply
    237,798x = 356,445.60 × 87,942.12
  4. Step 4: Simplify right side
    237,798x = 31,346,581,728.67
  5. Step 5: Solve for x
    x = 31,346,581,728.67/237,798
  6. Step 6: Final answer
    x = 131,820.21

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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.