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Finding the Fourth Proportional to 65,852,690.80, 98,789,533.80 and 27,494,460.40

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Solution

The fourth proportional to 65,852,690.80, 98,789,533.80 and 27,494,460.40 is: 41,246,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,852,690.80 : 98,789,533.80 = 27,494,460.40 : x
  2. Step 2: Convert to fraction form
    65,852,690.80/98,789,533.80 = 27,494,460.40/x
  3. Step 3: Cross multiply
    65,852,690.80x = 98,789,533.80 × 27,494,460.40
  4. Step 4: Simplify right side
    65,852,690.80x = 2,716,164,924,998,561.50
  5. Step 5: Solve for x
    x = 2,716,164,924,998,561.50/65,852,690.80
  6. Step 6: Final answer
    x = 41,246,073.50

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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.