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Finding the Fourth Proportional to 111,537.80, 167,306.70 and 101,688.20

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Solution

The fourth proportional to 111,537.80, 167,306.70 and 101,688.20 is: 152,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,537.80 : 167,306.70 = 101,688.20 : x
  2. Step 2: Convert to fraction form
    111,537.80/167,306.70 = 101,688.20/x
  3. Step 3: Cross multiply
    111,537.80x = 167,306.70 × 101,688.20
  4. Step 4: Simplify right side
    111,537.80x = 17,013,117,170.94
  5. Step 5: Solve for x
    x = 17,013,117,170.94/111,537.80
  6. Step 6: Final answer
    x = 152,532.30

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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.