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Finding the Fourth Proportional to 112,237.03, 154,886.34 and 61,936.03

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Solution

The fourth proportional to 112,237.03, 154,886.34 and 61,936.03 is: 85,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,237.03 : 154,886.34 = 61,936.03 : x
  2. Step 2: Convert to fraction form
    112,237.03/154,886.34 = 61,936.03/x
  3. Step 3: Cross multiply
    112,237.03x = 154,886.34 × 61,936.03
  4. Step 4: Simplify right side
    112,237.03x = 9,593,045,000.83
  5. Step 5: Solve for x
    x = 9,593,045,000.83/112,237.03
  6. Step 6: Final answer
    x = 85,471.30

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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.