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Finding the Fourth Proportional to 73,189.04, 101,000.94 and 39,655.04

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Solution

The fourth proportional to 73,189.04, 101,000.94 and 39,655.04 is: 54,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,189.04 : 101,000.94 = 39,655.04 : x
  2. Step 2: Convert to fraction form
    73,189.04/101,000.94 = 39,655.04/x
  3. Step 3: Cross multiply
    73,189.04x = 101,000.94 × 39,655.04
  4. Step 4: Simplify right side
    73,189.04x = 4,005,196,315.74
  5. Step 5: Solve for x
    x = 4,005,196,315.74/73,189.04
  6. Step 6: Final answer
    x = 54,723.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.