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Finding the Fourth Proportional to 65,203,731.70, 97,805,597.55 and 34,970,643.70

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Solution

The fourth proportional to 65,203,731.70, 97,805,597.55 and 34,970,643.70 is: 52,455,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,731.70 : 97,805,597.55 = 34,970,643.70 : x
  2. Step 2: Convert to fraction form
    65,203,731.70/97,805,597.55 = 34,970,643.70/x
  3. Step 3: Cross multiply
    65,203,731.70x = 97,805,597.55 × 34,970,643.70
  4. Step 4: Simplify right side
    65,203,731.70x = 3,420,324,703,786,643
  5. Step 5: Solve for x
    x = 3,420,324,703,786,643/65,203,731.70
  6. Step 6: Final answer
    x = 52,455,965.55

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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.