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Finding the Fourth Proportional to 210,496, 313,037.22 and 203,851.12

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Solution

The fourth proportional to 210,496, 313,037.22 and 203,851.12 is: 303,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,496 : 313,037.22 = 203,851.12 : x
  2. Step 2: Convert to fraction form
    210,496/313,037.22 = 203,851.12/x
  3. Step 3: Cross multiply
    210,496x = 313,037.22 × 203,851.12
  4. Step 4: Simplify right side
    210,496x = 63,812,987,898.69
  5. Step 5: Solve for x
    x = 63,812,987,898.69/210,496
  6. Step 6: Final answer
    x = 303,155.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.