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Finding the Fourth Proportional to 98,151.84, 147,121.92 and 48,173.76

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Solution

The fourth proportional to 98,151.84, 147,121.92 and 48,173.76 is: 72,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151.84 : 147,121.92 = 48,173.76 : x
  2. Step 2: Convert to fraction form
    98,151.84/147,121.92 = 48,173.76/x
  3. Step 3: Cross multiply
    98,151.84x = 147,121.92 × 48,173.76
  4. Step 4: Simplify right side
    98,151.84x = 7,087,416,064.82
  5. Step 5: Solve for x
    x = 7,087,416,064.82/98,151.84
  6. Step 6: Final answer
    x = 72,208.69

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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.