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Finding the Fourth Proportional to 107,570.79, 148,436.33 and 59,816.43

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Solution

The fourth proportional to 107,570.79, 148,436.33 and 59,816.43 is: 82,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,570.79 : 148,436.33 = 59,816.43 : x
  2. Step 2: Convert to fraction form
    107,570.79/148,436.33 = 59,816.43/x
  3. Step 3: Cross multiply
    107,570.79x = 148,436.33 × 59,816.43
  4. Step 4: Simplify right side
    107,570.79x = 8,878,931,043.82
  5. Step 5: Solve for x
    x = 8,878,931,043.82/107,570.79
  6. Step 6: Final answer
    x = 82,540.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.