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Finding the Fourth Proportional to 77,048.08, 106,327.08 and 43,059.28

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Solution

The fourth proportional to 77,048.08, 106,327.08 and 43,059.28 is: 59,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,048.08 : 106,327.08 = 43,059.28 : x
  2. Step 2: Convert to fraction form
    77,048.08/106,327.08 = 43,059.28/x
  3. Step 3: Cross multiply
    77,048.08x = 106,327.08 × 43,059.28
  4. Step 4: Simplify right side
    77,048.08x = 4,578,367,509.30
  5. Step 5: Solve for x
    x = 4,578,367,509.30/77,048.08
  6. Step 6: Final answer
    x = 59,422.21

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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.