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Finding the Fourth Proportional to 245,635.61, 368,432.25 and 149,547.94

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Solution

The fourth proportional to 245,635.61, 368,432.25 and 149,547.94 is: 224,309.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,635.61 : 368,432.25 = 149,547.94 : x
  2. Step 2: Convert to fraction form
    245,635.61/368,432.25 = 149,547.94/x
  3. Step 3: Cross multiply
    245,635.61x = 368,432.25 × 149,547.94
  4. Step 4: Simplify right side
    245,635.61x = 55,098,283,269.33
  5. Step 5: Solve for x
    x = 55,098,283,269.33/245,635.61
  6. Step 6: Final answer
    x = 224,309.02

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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.