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Finding the Fourth Proportional to 108,982,497.60, 163,288,758.60 and 65,760,881.40

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Solution

The fourth proportional to 108,982,497.60, 163,288,758.60 and 65,760,881.40 is: 98,529,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,982,497.60 : 163,288,758.60 = 65,760,881.40 : x
  2. Step 2: Convert to fraction form
    108,982,497.60/163,288,758.60 = 65,760,881.40/x
  3. Step 3: Cross multiply
    108,982,497.60x = 163,288,758.60 × 65,760,881.40
  4. Step 4: Simplify right side
    108,982,497.60x = 10,738,012,688,247,830
  5. Step 5: Solve for x
    x = 10,738,012,688,247,830/108,982,497.60
  6. Step 6: Final answer
    x = 98,529,699.03

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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.