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Finding the Fourth Proportional to 98,674.68, 148,019.72 and 35,503.05

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Solution

The fourth proportional to 98,674.68, 148,019.72 and 35,503.05 is: 53,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,674.68 : 148,019.72 = 35,503.05 : x
  2. Step 2: Convert to fraction form
    98,674.68/148,019.72 = 35,503.05/x
  3. Step 3: Cross multiply
    98,674.68x = 148,019.72 × 35,503.05
  4. Step 4: Simplify right side
    98,674.68x = 5,255,151,342.63
  5. Step 5: Solve for x
    x = 5,255,151,342.63/98,674.68
  6. Step 6: Final answer
    x = 53,257.34

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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.