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Finding the Fourth Proportional to 107,896.87, 148,894.80 and 62,572.01

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Solution

The fourth proportional to 107,896.87, 148,894.80 and 62,572.01 is: 86,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,896.87 : 148,894.80 = 62,572.01 : x
  2. Step 2: Convert to fraction form
    107,896.87/148,894.80 = 62,572.01/x
  3. Step 3: Cross multiply
    107,896.87x = 148,894.80 × 62,572.01
  4. Step 4: Simplify right side
    107,896.87x = 9,316,646,914.55
  5. Step 5: Solve for x
    x = 9,316,646,914.55/107,896.87
  6. Step 6: Final answer
    x = 86,347.71

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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.