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Finding the Fourth Proportional to 73,248.10, 109,945.05 and 35,850.40

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Solution

The fourth proportional to 73,248.10, 109,945.05 and 35,850.40 is: 53,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,248.10 : 109,945.05 = 35,850.40 : x
  2. Step 2: Convert to fraction form
    73,248.10/109,945.05 = 35,850.40/x
  3. Step 3: Cross multiply
    73,248.10x = 109,945.05 × 35,850.40
  4. Step 4: Simplify right side
    73,248.10x = 3,941,574,020.52
  5. Step 5: Solve for x
    x = 3,941,574,020.52/73,248.10
  6. Step 6: Final answer
    x = 53,811.28

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1.5x scale

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.