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Finding the Fourth Proportional to 163,490.56, 245,147.68 and 49,622.56

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Solution

The fourth proportional to 163,490.56, 245,147.68 and 49,622.56 is: 74,407.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,490.56 : 245,147.68 = 49,622.56 : x
  2. Step 2: Convert to fraction form
    163,490.56/245,147.68 = 49,622.56/x
  3. Step 3: Cross multiply
    163,490.56x = 245,147.68 × 49,622.56
  4. Step 4: Simplify right side
    163,490.56x = 12,164,855,459.66
  5. Step 5: Solve for x
    x = 12,164,855,459.66/163,490.56
  6. Step 6: Final answer
    x = 74,407.08

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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.