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Finding the Fourth Proportional to 70,252.80, 96,962.88 and 46,380.48

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Solution

The fourth proportional to 70,252.80, 96,962.88 and 46,380.48 is: 64,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,252.80 : 96,962.88 = 46,380.48 : x
  2. Step 2: Convert to fraction form
    70,252.80/96,962.88 = 46,380.48/x
  3. Step 3: Cross multiply
    70,252.80x = 96,962.88 × 46,380.48
  4. Step 4: Simplify right side
    70,252.80x = 4,497,184,916.58
  5. Step 5: Solve for x
    x = 4,497,184,916.58/70,252.80
  6. Step 6: Final answer
    x = 64,014.32

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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.