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Finding the Fourth Proportional to 115,472.60, 173,079.30 and 48,901.40

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Solution

The fourth proportional to 115,472.60, 173,079.30 and 48,901.40 is: 73,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,472.60 : 173,079.30 = 48,901.40 : x
  2. Step 2: Convert to fraction form
    115,472.60/173,079.30 = 48,901.40/x
  3. Step 3: Cross multiply
    115,472.60x = 173,079.30 × 48,901.40
  4. Step 4: Simplify right side
    115,472.60x = 8,463,820,081.02
  5. Step 5: Solve for x
    x = 8,463,820,081.02/115,472.60
  6. Step 6: Final answer
    x = 73,297.22

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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.