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Finding the Fourth Proportional to 295,972.32, 444,024.96 and 85,626.60

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Solution

The fourth proportional to 295,972.32, 444,024.96 and 85,626.60 is: 128,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,972.32 : 444,024.96 = 85,626.60 : x
  2. Step 2: Convert to fraction form
    295,972.32/444,024.96 = 85,626.60/x
  3. Step 3: Cross multiply
    295,972.32x = 444,024.96 × 85,626.60
  4. Step 4: Simplify right side
    295,972.32x = 38,020,347,639.94
  5. Step 5: Solve for x
    x = 38,020,347,639.94/295,972.32
  6. Step 6: Final answer
    x = 128,459.13

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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.