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Finding the Fourth Proportional to 73,153.03, 100,955.29 and 42,947.12

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Solution

The fourth proportional to 73,153.03, 100,955.29 and 42,947.12 is: 59,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,153.03 : 100,955.29 = 42,947.12 : x
  2. Step 2: Convert to fraction form
    73,153.03/100,955.29 = 42,947.12/x
  3. Step 3: Cross multiply
    73,153.03x = 100,955.29 × 42,947.12
  4. Step 4: Simplify right side
    73,153.03x = 4,335,738,954.26
  5. Step 5: Solve for x
    x = 4,335,738,954.26/73,153.03
  6. Step 6: Final answer
    x = 59,269.44

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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.