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Finding the Fourth Proportional to 98,064.74, 147,175.94 and 50,693.77

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Solution

The fourth proportional to 98,064.74, 147,175.94 and 50,693.77 is: 76,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,064.74 : 147,175.94 = 50,693.77 : x
  2. Step 2: Convert to fraction form
    98,064.74/147,175.94 = 50,693.77/x
  3. Step 3: Cross multiply
    98,064.74x = 147,175.94 × 50,693.77
  4. Step 4: Simplify right side
    98,064.74x = 7,460,902,630.49
  5. Step 5: Solve for x
    x = 7,460,902,630.49/98,064.74
  6. Step 6: Final answer
    x = 76,081.40

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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.