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Finding the Fourth Proportional to 107,714, 148,656.84 and 63,039.44

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Solution

The fourth proportional to 107,714, 148,656.84 and 63,039.44 is: 87,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,714 : 148,656.84 = 63,039.44 : x
  2. Step 2: Convert to fraction form
    107,714/148,656.84 = 63,039.44/x
  3. Step 3: Cross multiply
    107,714x = 148,656.84 × 63,039.44
  4. Step 4: Simplify right side
    107,714x = 9,371,243,945.77
  5. Step 5: Solve for x
    x = 9,371,243,945.77/107,714
  6. Step 6: Final answer
    x = 87,001.17

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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.