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Finding the Fourth Proportional to 107,578.80, 148,447.36 and 59,824.40

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Solution

The fourth proportional to 107,578.80, 148,447.36 and 59,824.40 is: 82,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,578.80 : 148,447.36 = 59,824.40 : x
  2. Step 2: Convert to fraction form
    107,578.80/148,447.36 = 59,824.40/x
  3. Step 3: Cross multiply
    107,578.80x = 148,447.36 × 59,824.40
  4. Step 4: Simplify right side
    107,578.80x = 8,880,774,243.58
  5. Step 5: Solve for x
    x = 8,880,774,243.58/107,578.80
  6. Step 6: Final answer
    x = 82,551.34

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1.5x scale

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.