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Finding the Fourth Proportional to 101,030.76, 151,502.22 and 28,967.80

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Solution

The fourth proportional to 101,030.76, 151,502.22 and 28,967.80 is: 43,439.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,030.76 : 151,502.22 = 28,967.80 : x
  2. Step 2: Convert to fraction form
    101,030.76/151,502.22 = 28,967.80/x
  3. Step 3: Cross multiply
    101,030.76x = 151,502.22 × 28,967.80
  4. Step 4: Simplify right side
    101,030.76x = 4,388,686,008.52
  5. Step 5: Solve for x
    x = 4,388,686,008.52/101,030.76
  6. Step 6: Final answer
    x = 43,439.11

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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.