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Finding the Fourth Proportional to 173,857.24, 239,916.90 and 98,404.12

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Solution

The fourth proportional to 173,857.24, 239,916.90 and 98,404.12 is: 135,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,857.24 : 239,916.90 = 98,404.12 : x
  2. Step 2: Convert to fraction form
    173,857.24/239,916.90 = 98,404.12/x
  3. Step 3: Cross multiply
    173,857.24x = 239,916.90 × 98,404.12
  4. Step 4: Simplify right side
    173,857.24x = 23,608,811,417.63
  5. Step 5: Solve for x
    x = 23,608,811,417.63/173,857.24
  6. Step 6: Final answer
    x = 135,794.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.