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Finding the Fourth Proportional to 79,356.58, 109,511.78 and 43,547.19

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Solution

The fourth proportional to 79,356.58, 109,511.78 and 43,547.19 is: 60,094.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.58 : 109,511.78 = 43,547.19 : x
  2. Step 2: Convert to fraction form
    79,356.58/109,511.78 = 43,547.19/x
  3. Step 3: Cross multiply
    79,356.58x = 109,511.78 × 43,547.19
  4. Step 4: Simplify right side
    79,356.58x = 4,768,930,290.90
  5. Step 5: Solve for x
    x = 4,768,930,290.90/79,356.58
  6. Step 6: Final answer
    x = 60,094.96

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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.