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Finding the Fourth Proportional to 167,377.98, 230,885.19 and 100,271.10

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Solution

The fourth proportional to 167,377.98, 230,885.19 and 100,271.10 is: 138,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,377.98 : 230,885.19 = 100,271.10 : x
  2. Step 2: Convert to fraction form
    167,377.98/230,885.19 = 100,271.10/x
  3. Step 3: Cross multiply
    167,377.98x = 230,885.19 × 100,271.10
  4. Step 4: Simplify right side
    167,377.98x = 23,151,111,975.01
  5. Step 5: Solve for x
    x = 23,151,111,975.01/167,377.98
  6. Step 6: Final answer
    x = 138,316.35

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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.