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Finding the Fourth Proportional to 153,718.44, 230,571.90 and 48,543.72

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Solution

The fourth proportional to 153,718.44, 230,571.90 and 48,543.72 is: 72,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,718.44 : 230,571.90 = 48,543.72 : x
  2. Step 2: Convert to fraction form
    153,718.44/230,571.90 = 48,543.72/x
  3. Step 3: Cross multiply
    153,718.44x = 230,571.90 × 48,543.72
  4. Step 4: Simplify right side
    153,718.44x = 11,192,817,753.47
  5. Step 5: Solve for x
    x = 11,192,817,753.47/153,718.44
  6. Step 6: Final answer
    x = 72,813.76

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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.