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Finding the Fourth Proportional to 70,592.45, 105,265.95 and 60,794.69

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Solution

The fourth proportional to 70,592.45, 105,265.95 and 60,794.69 is: 90,655.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.45 : 105,265.95 = 60,794.69 : x
  2. Step 2: Convert to fraction form
    70,592.45/105,265.95 = 60,794.69/x
  3. Step 3: Cross multiply
    70,592.45x = 105,265.95 × 60,794.69
  4. Step 4: Simplify right side
    70,592.45x = 6,399,610,043.50
  5. Step 5: Solve for x
    x = 6,399,610,043.50/70,592.45
  6. Step 6: Final answer
    x = 90,655.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.