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Finding the Fourth Proportional to 171,242.58, 256,923.84 and 52,913.91

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Solution

The fourth proportional to 171,242.58, 256,923.84 and 52,913.91 is: 79,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,242.58 : 256,923.84 = 52,913.91 : x
  2. Step 2: Convert to fraction form
    171,242.58/256,923.84 = 52,913.91/x
  3. Step 3: Cross multiply
    171,242.58x = 256,923.84 × 52,913.91
  4. Step 4: Simplify right side
    171,242.58x = 13,594,844,946.61
  5. Step 5: Solve for x
    x = 13,594,844,946.61/171,242.58
  6. Step 6: Final answer
    x = 79,389.40

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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.