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Finding the Fourth Proportional to 315,142.96, 472,714.20 and 93,526.96

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Solution

The fourth proportional to 315,142.96, 472,714.20 and 93,526.96 is: 140,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,142.96 : 472,714.20 = 93,526.96 : x
  2. Step 2: Convert to fraction form
    315,142.96/472,714.20 = 93,526.96/x
  3. Step 3: Cross multiply
    315,142.96x = 472,714.20 × 93,526.96
  4. Step 4: Simplify right side
    315,142.96x = 44,211,522,074.83
  5. Step 5: Solve for x
    x = 44,211,522,074.83/315,142.96
  6. Step 6: Final answer
    x = 140,290.37

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1.5x scale

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.