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Finding the Fourth Proportional to 70,125.84, 96,772.86 and 43,257.60

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Solution

The fourth proportional to 70,125.84, 96,772.86 and 43,257.60 is: 59,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125.84 : 96,772.86 = 43,257.60 : x
  2. Step 2: Convert to fraction form
    70,125.84/96,772.86 = 43,257.60/x
  3. Step 3: Cross multiply
    70,125.84x = 96,772.86 × 43,257.60
  4. Step 4: Simplify right side
    70,125.84x = 4,186,161,668.74
  5. Step 5: Solve for x
    x = 4,186,161,668.74/70,125.84
  6. Step 6: Final answer
    x = 59,695.00

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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.