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Finding the Fourth Proportional to 162,148.45, 243,223.49 and 73,297.93

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Solution

The fourth proportional to 162,148.45, 243,223.49 and 73,297.93 is: 109,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,148.45 : 243,223.49 = 73,297.93 : x
  2. Step 2: Convert to fraction form
    162,148.45/243,223.49 = 73,297.93/x
  3. Step 3: Cross multiply
    162,148.45x = 243,223.49 × 73,297.93
  4. Step 4: Simplify right side
    162,148.45x = 17,827,778,344.38
  5. Step 5: Solve for x
    x = 17,827,778,344.38/162,148.45
  6. Step 6: Final answer
    x = 109,947.26

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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.