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Finding the Fourth Proportional to 70,367.16, 105,494.58 and 48,124.92

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Solution

The fourth proportional to 70,367.16, 105,494.58 and 48,124.92 is: 72,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,367.16 : 105,494.58 = 48,124.92 : x
  2. Step 2: Convert to fraction form
    70,367.16/105,494.58 = 48,124.92/x
  3. Step 3: Cross multiply
    70,367.16x = 105,494.58 × 48,124.92
  4. Step 4: Simplify right side
    70,367.16x = 5,076,918,222.93
  5. Step 5: Solve for x
    x = 5,076,918,222.93/70,367.16
  6. Step 6: Final answer
    x = 72,148.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.