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Finding the Fourth Proportional to 162,399, 243,569.73 and 44,079.54

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Solution

The fourth proportional to 162,399, 243,569.73 and 44,079.54 is: 66,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,399 : 243,569.73 = 44,079.54 : x
  2. Step 2: Convert to fraction form
    162,399/243,569.73 = 44,079.54/x
  3. Step 3: Cross multiply
    162,399x = 243,569.73 × 44,079.54
  4. Step 4: Simplify right side
    162,399x = 10,736,441,656.32
  5. Step 5: Solve for x
    x = 10,736,441,656.32/162,399
  6. Step 6: Final answer
    x = 66,111.50

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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.