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Finding the Fourth Proportional to 111,842.20, 167,763.30 and 37,970.20

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Solution

The fourth proportional to 111,842.20, 167,763.30 and 37,970.20 is: 56,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,842.20 : 167,763.30 = 37,970.20 : x
  2. Step 2: Convert to fraction form
    111,842.20/167,763.30 = 37,970.20/x
  3. Step 3: Cross multiply
    111,842.20x = 167,763.30 × 37,970.20
  4. Step 4: Simplify right side
    111,842.20x = 6,370,006,053.66
  5. Step 5: Solve for x
    x = 6,370,006,053.66/111,842.20
  6. Step 6: Final answer
    x = 56,955.30

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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.