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Finding the Fourth Proportional to 70,464.88, 97,229.58 and 46,578.78

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Solution

The fourth proportional to 70,464.88, 97,229.58 and 46,578.78 is: 64,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,464.88 : 97,229.58 = 46,578.78 : x
  2. Step 2: Convert to fraction form
    70,464.88/97,229.58 = 46,578.78/x
  3. Step 3: Cross multiply
    70,464.88x = 97,229.58 × 46,578.78
  4. Step 4: Simplify right side
    70,464.88x = 4,528,835,216.31
  5. Step 5: Solve for x
    x = 4,528,835,216.31/70,464.88
  6. Step 6: Final answer
    x = 64,270.81

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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.