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Finding the Fourth Proportional to 73,645,967.44, 101,674,978.44 and 65,474,587.12

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Solution

The fourth proportional to 73,645,967.44, 101,674,978.44 and 65,474,587.12 is: 90,393,642.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,645,967.44 : 101,674,978.44 = 65,474,587.12 : x
  2. Step 2: Convert to fraction form
    73,645,967.44/101,674,978.44 = 65,474,587.12/x
  3. Step 3: Cross multiply
    73,645,967.44x = 101,674,978.44 × 65,474,587.12
  4. Step 4: Simplify right side
    73,645,967.44x = 6,657,127,233,793,901
  5. Step 5: Solve for x
    x = 6,657,127,233,793,901/73,645,967.44
  6. Step 6: Final answer
    x = 90,393,642.25

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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.