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Finding the Fourth Proportional to 140,612.96, 211,002.48 and 51,928.48

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Solution

The fourth proportional to 140,612.96, 211,002.48 and 51,928.48 is: 77,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,612.96 : 211,002.48 = 51,928.48 : x
  2. Step 2: Convert to fraction form
    140,612.96/211,002.48 = 51,928.48/x
  3. Step 3: Cross multiply
    140,612.96x = 211,002.48 × 51,928.48
  4. Step 4: Simplify right side
    140,612.96x = 10,957,038,062.63
  5. Step 5: Solve for x
    x = 10,957,038,062.63/140,612.96
  6. Step 6: Final answer
    x = 77,923.39

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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.