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Finding the Fourth Proportional to 172,561.02, 238,097.46 and 100,927.05

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Solution

The fourth proportional to 172,561.02, 238,097.46 and 100,927.05 is: 139,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,561.02 : 238,097.46 = 100,927.05 : x
  2. Step 2: Convert to fraction form
    172,561.02/238,097.46 = 100,927.05/x
  3. Step 3: Cross multiply
    172,561.02x = 238,097.46 × 100,927.05
  4. Step 4: Simplify right side
    172,561.02x = 24,030,473,059.81
  5. Step 5: Solve for x
    x = 24,030,473,059.81/172,561.02
  6. Step 6: Final answer
    x = 139,257.83

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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.