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Finding the Fourth Proportional to 245,762.02, 339,206.90 and 160,829.88

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Solution

The fourth proportional to 245,762.02, 339,206.90 and 160,829.88 is: 221,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,762.02 : 339,206.90 = 160,829.88 : x
  2. Step 2: Convert to fraction form
    245,762.02/339,206.90 = 160,829.88/x
  3. Step 3: Cross multiply
    245,762.02x = 339,206.90 × 160,829.88
  4. Step 4: Simplify right side
    245,762.02x = 54,554,605,022.17
  5. Step 5: Solve for x
    x = 54,554,605,022.17/245,762.02
  6. Step 6: Final answer
    x = 221,981.43

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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.