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Finding the Fourth Proportional to 70,194.76, 96,867.26 and 39,567.64

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Solution

The fourth proportional to 70,194.76, 96,867.26 and 39,567.64 is: 54,602.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.76 : 96,867.26 = 39,567.64 : x
  2. Step 2: Convert to fraction form
    70,194.76/96,867.26 = 39,567.64/x
  3. Step 3: Cross multiply
    70,194.76x = 96,867.26 × 39,567.64
  4. Step 4: Simplify right side
    70,194.76x = 3,832,808,871.47
  5. Step 5: Solve for x
    x = 3,832,808,871.47/70,194.76
  6. Step 6: Final answer
    x = 54,602.49

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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.