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Finding the Fourth Proportional to 79,710.30, 119,565.45 and 44,645.40

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Solution

The fourth proportional to 79,710.30, 119,565.45 and 44,645.40 is: 66,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710.30 : 119,565.45 = 44,645.40 : x
  2. Step 2: Convert to fraction form
    79,710.30/119,565.45 = 44,645.40/x
  3. Step 3: Cross multiply
    79,710.30x = 119,565.45 × 44,645.40
  4. Step 4: Simplify right side
    79,710.30x = 5,338,047,341.43
  5. Step 5: Solve for x
    x = 5,338,047,341.43/79,710.30
  6. Step 6: Final answer
    x = 66,968.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.