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Finding the Fourth Proportional to 245,424.30, 368,136.45 and 170,774.70

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Solution

The fourth proportional to 245,424.30, 368,136.45 and 170,774.70 is: 256,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,424.30 : 368,136.45 = 170,774.70 : x
  2. Step 2: Convert to fraction form
    245,424.30/368,136.45 = 170,774.70/x
  3. Step 3: Cross multiply
    245,424.30x = 368,136.45 × 170,774.70
  4. Step 4: Simplify right side
    245,424.30x = 62,868,391,807.82
  5. Step 5: Solve for x
    x = 62,868,391,807.82/245,424.30
  6. Step 6: Final answer
    x = 256,162.05

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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.