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Finding the Fourth Proportional to 71,805,334.88, 107,708,004.77 and 17,952,646.88

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Solution

The fourth proportional to 71,805,334.88, 107,708,004.77 and 17,952,646.88 is: 26,928,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,805,334.88 : 107,708,004.77 = 17,952,646.88 : x
  2. Step 2: Convert to fraction form
    71,805,334.88/107,708,004.77 = 17,952,646.88/x
  3. Step 3: Cross multiply
    71,805,334.88x = 107,708,004.77 × 17,952,646.88
  4. Step 4: Simplify right side
    71,805,334.88x = 1,933,643,775,156,862.25
  5. Step 5: Solve for x
    x = 1,933,643,775,156,862.25/71,805,334.88
  6. Step 6: Final answer
    x = 26,928,970.93

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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.