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Finding the Fourth Proportional to 72,627.40, 100,222.02 and 48,750.76

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Solution

The fourth proportional to 72,627.40, 100,222.02 and 48,750.76 is: 67,273.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,627.40 : 100,222.02 = 48,750.76 : x
  2. Step 2: Convert to fraction form
    72,627.40/100,222.02 = 48,750.76/x
  3. Step 3: Cross multiply
    72,627.40x = 100,222.02 × 48,750.76
  4. Step 4: Simplify right side
    72,627.40x = 4,885,899,643.74
  5. Step 5: Solve for x
    x = 4,885,899,643.74/72,627.40
  6. Step 6: Final answer
    x = 67,273.50

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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.