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Finding the Fourth Proportional to 73,897.29, 101,945.78 and 45,218.29

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Solution

The fourth proportional to 73,897.29, 101,945.78 and 45,218.29 is: 62,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,897.29 : 101,945.78 = 45,218.29 : x
  2. Step 2: Convert to fraction form
    73,897.29/101,945.78 = 45,218.29/x
  3. Step 3: Cross multiply
    73,897.29x = 101,945.78 × 45,218.29
  4. Step 4: Simplify right side
    73,897.29x = 4,609,813,844.32
  5. Step 5: Solve for x
    x = 4,609,813,844.32/73,897.29
  6. Step 6: Final answer
    x = 62,381.37

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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.