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Finding the Fourth Proportional to 111,353.30, 167,029.95 and 99,106.10

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Solution

The fourth proportional to 111,353.30, 167,029.95 and 99,106.10 is: 148,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,353.30 : 167,029.95 = 99,106.10 : x
  2. Step 2: Convert to fraction form
    111,353.30/167,029.95 = 99,106.10/x
  3. Step 3: Cross multiply
    111,353.30x = 167,029.95 × 99,106.10
  4. Step 4: Simplify right side
    111,353.30x = 16,553,686,927.70
  5. Step 5: Solve for x
    x = 16,553,686,927.70/111,353.30
  6. Step 6: Final answer
    x = 148,659.15

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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.