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Finding the Fourth Proportional to 98,803.86, 148,212.38 and 34,754.32

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Solution

The fourth proportional to 98,803.86, 148,212.38 and 34,754.32 is: 52,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,803.86 : 148,212.38 = 34,754.32 : x
  2. Step 2: Convert to fraction form
    98,803.86/148,212.38 = 34,754.32/x
  3. Step 3: Cross multiply
    98,803.86x = 148,212.38 × 34,754.32
  4. Step 4: Simplify right side
    98,803.86x = 5,151,020,482.48
  5. Step 5: Solve for x
    x = 5,151,020,482.48/98,803.86
  6. Step 6: Final answer
    x = 52,133.80

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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.