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Finding the Fourth Proportional to 283,069.08, 424,603.62 and 72,707.22

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Solution

The fourth proportional to 283,069.08, 424,603.62 and 72,707.22 is: 109,060.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,069.08 : 424,603.62 = 72,707.22 : x
  2. Step 2: Convert to fraction form
    283,069.08/424,603.62 = 72,707.22/x
  3. Step 3: Cross multiply
    283,069.08x = 424,603.62 × 72,707.22
  4. Step 4: Simplify right side
    283,069.08x = 30,871,748,812.14
  5. Step 5: Solve for x
    x = 30,871,748,812.14/283,069.08
  6. Step 6: Final answer
    x = 109,060.83

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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.