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Finding the Fourth Proportional to 79,352.32, 109,489.08 and 45,798.88

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Solution

The fourth proportional to 79,352.32, 109,489.08 and 45,798.88 is: 63,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,352.32 : 109,489.08 = 45,798.88 : x
  2. Step 2: Convert to fraction form
    79,352.32/109,489.08 = 45,798.88/x
  3. Step 3: Cross multiply
    79,352.32x = 109,489.08 × 45,798.88
  4. Step 4: Simplify right side
    79,352.32x = 5,014,477,236.23
  5. Step 5: Solve for x
    x = 5,014,477,236.23/79,352.32
  6. Step 6: Final answer
    x = 63,192.57

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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.