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Finding the Fourth Proportional to 79,237.58, 109,350.62 and 43,427.58

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Solution

The fourth proportional to 79,237.58, 109,350.62 and 43,427.58 is: 59,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,237.58 : 109,350.62 = 43,427.58 : x
  2. Step 2: Convert to fraction form
    79,237.58/109,350.62 = 43,427.58/x
  3. Step 3: Cross multiply
    79,237.58x = 109,350.62 × 43,427.58
  4. Step 4: Simplify right side
    79,237.58x = 4,748,832,578.03
  5. Step 5: Solve for x
    x = 4,748,832,578.03/79,237.58
  6. Step 6: Final answer
    x = 59,931.57

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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.