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Finding the Fourth Proportional to 101,006.52, 151,509.80 and 30,885.84

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Solution

The fourth proportional to 101,006.52, 151,509.80 and 30,885.84 is: 46,328.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,006.52 : 151,509.80 = 30,885.84 : x
  2. Step 2: Convert to fraction form
    101,006.52/151,509.80 = 30,885.84/x
  3. Step 3: Cross multiply
    101,006.52x = 151,509.80 × 30,885.84
  4. Step 4: Simplify right side
    101,006.52x = 4,679,507,441.23
  5. Step 5: Solve for x
    x = 4,679,507,441.23/101,006.52
  6. Step 6: Final answer
    x = 46,328.77

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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.