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Finding the Fourth Proportional to 53,681,987.20, 80,459,995.20 and 22,976,507.20

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Solution

The fourth proportional to 53,681,987.20, 80,459,995.20 and 22,976,507.20 is: 34,437,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681,987.20 : 80,459,995.20 = 22,976,507.20 : x
  2. Step 2: Convert to fraction form
    53,681,987.20/80,459,995.20 = 22,976,507.20/x
  3. Step 3: Cross multiply
    53,681,987.20x = 80,459,995.20 × 22,976,507.20
  4. Step 4: Simplify right side
    53,681,987.20x = 1,848,689,659,024,765.50
  5. Step 5: Solve for x
    x = 1,848,689,659,024,765.50/53,681,987.20
  6. Step 6: Final answer
    x = 34,437,802.24

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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.