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Finding the Fourth Proportional to 77,613, 107,106.08 and 44,079

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Solution

The fourth proportional to 77,613, 107,106.08 and 44,079 is: 60,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,613 : 107,106.08 = 44,079 : x
  2. Step 2: Convert to fraction form
    77,613/107,106.08 = 44,079/x
  3. Step 3: Cross multiply
    77,613x = 107,106.08 × 44,079
  4. Step 4: Simplify right side
    77,613x = 4,721,128,900.32
  5. Step 5: Solve for x
    x = 4,721,128,900.32/77,613
  6. Step 6: Final answer
    x = 60,829.10

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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.