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Finding the Fourth Proportional to 147,018.94, 220,502.08 and 38,949.04

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Solution

The fourth proportional to 147,018.94, 220,502.08 and 38,949.04 is: 58,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,018.94 : 220,502.08 = 38,949.04 : x
  2. Step 2: Convert to fraction form
    147,018.94/220,502.08 = 38,949.04/x
  3. Step 3: Cross multiply
    147,018.94x = 220,502.08 × 38,949.04
  4. Step 4: Simplify right side
    147,018.94x = 8,588,344,334.00
  5. Step 5: Solve for x
    x = 8,588,344,334.00/147,018.94
  6. Step 6: Final answer
    x = 58,416.58

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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.