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Finding the Fourth Proportional to 107,898.82, 148,899.90 and 62,585.98

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Solution

The fourth proportional to 107,898.82, 148,899.90 and 62,585.98 is: 86,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,898.82 : 148,899.90 = 62,585.98 : x
  2. Step 2: Convert to fraction form
    107,898.82/148,899.90 = 62,585.98/x
  3. Step 3: Cross multiply
    107,898.82x = 148,899.90 × 62,585.98
  4. Step 4: Simplify right side
    107,898.82x = 9,319,046,163.40
  5. Step 5: Solve for x
    x = 9,319,046,163.40/107,898.82
  6. Step 6: Final answer
    x = 86,368.38

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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.