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Finding the Fourth Proportional to 172,558.52, 238,094.01 and 100,924.55

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Solution

The fourth proportional to 172,558.52, 238,094.01 and 100,924.55 is: 139,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,558.52 : 238,094.01 = 100,924.55 : x
  2. Step 2: Convert to fraction form
    172,558.52/238,094.01 = 100,924.55/x
  3. Step 3: Cross multiply
    172,558.52x = 238,094.01 × 100,924.55
  4. Step 4: Simplify right side
    172,558.52x = 24,029,529,626.48
  5. Step 5: Solve for x
    x = 24,029,529,626.48/172,558.52
  6. Step 6: Final answer
    x = 139,254.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.