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Finding the Fourth Proportional to 77,269.14, 115,978.44 and 37,316.13

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Solution

The fourth proportional to 77,269.14, 115,978.44 and 37,316.13 is: 56,010.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,269.14 : 115,978.44 = 37,316.13 : x
  2. Step 2: Convert to fraction form
    77,269.14/115,978.44 = 37,316.13/x
  3. Step 3: Cross multiply
    77,269.14x = 115,978.44 × 37,316.13
  4. Step 4: Simplify right side
    77,269.14x = 4,327,866,544.24
  5. Step 5: Solve for x
    x = 4,327,866,544.24/77,269.14
  6. Step 6: Final answer
    x = 56,010.28

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1.5x scale

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.