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Finding the Fourth Proportional to 104,011.20, 155,995.20 and 44,848.80

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Solution

The fourth proportional to 104,011.20, 155,995.20 and 44,848.80 is: 67,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,011.20 : 155,995.20 = 44,848.80 : x
  2. Step 2: Convert to fraction form
    104,011.20/155,995.20 = 44,848.80/x
  3. Step 3: Cross multiply
    104,011.20x = 155,995.20 × 44,848.80
  4. Step 4: Simplify right side
    104,011.20x = 6,996,197,525.76
  5. Step 5: Solve for x
    x = 6,996,197,525.76/104,011.20
  6. Step 6: Final answer
    x = 67,263.89

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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.