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Finding the Fourth Proportional to 107,900.88, 148,900.32 and 62,576.01

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Solution

The fourth proportional to 107,900.88, 148,900.32 and 62,576.01 is: 86,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,900.88 : 148,900.32 = 62,576.01 : x
  2. Step 2: Convert to fraction form
    107,900.88/148,900.32 = 62,576.01/x
  3. Step 3: Cross multiply
    107,900.88x = 148,900.32 × 62,576.01
  4. Step 4: Simplify right side
    107,900.88x = 9,317,587,913.32
  5. Step 5: Solve for x
    x = 9,317,587,913.32/107,900.88
  6. Step 6: Final answer
    x = 86,353.22

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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.