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Finding the Fourth Proportional to 80,265,598.95, 110,764,642.63 and 47,227,987.93

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Solution

The fourth proportional to 80,265,598.95, 110,764,642.63 and 47,227,987.93 is: 65,173,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265,598.95 : 110,764,642.63 = 47,227,987.93 : x
  2. Step 2: Convert to fraction form
    80,265,598.95/110,764,642.63 = 47,227,987.93/x
  3. Step 3: Cross multiply
    80,265,598.95x = 110,764,642.63 × 47,227,987.93
  4. Step 4: Simplify right side
    80,265,598.95x = 5,231,191,205,200,403
  5. Step 5: Solve for x
    x = 5,231,191,205,200,403/80,265,598.95
  6. Step 6: Final answer
    x = 65,173,514.85

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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.