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Finding the Fourth Proportional to 147,970.76, 222,029.04 and 91,796.45

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Solution

The fourth proportional to 147,970.76, 222,029.04 and 91,796.45 is: 137,739.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,970.76 : 222,029.04 = 91,796.45 : x
  2. Step 2: Convert to fraction form
    147,970.76/222,029.04 = 91,796.45/x
  3. Step 3: Cross multiply
    147,970.76x = 222,029.04 × 91,796.45
  4. Step 4: Simplify right side
    147,970.76x = 20,381,477,668.91
  5. Step 5: Solve for x
    x = 20,381,477,668.91/147,970.76
  6. Step 6: Final answer
    x = 137,739.90

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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.