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Finding the Fourth Proportional to 73,189.61, 101,029.53 and 47,702.18

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Solution

The fourth proportional to 73,189.61, 101,029.53 and 47,702.18 is: 65,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,189.61 : 101,029.53 = 47,702.18 : x
  2. Step 2: Convert to fraction form
    73,189.61/101,029.53 = 47,702.18/x
  3. Step 3: Cross multiply
    73,189.61x = 101,029.53 × 47,702.18
  4. Step 4: Simplify right side
    73,189.61x = 4,819,328,825.38
  5. Step 5: Solve for x
    x = 4,819,328,825.38/73,189.61
  6. Step 6: Final answer
    x = 65,847.17

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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.