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Finding the Fourth Proportional to 65,616,200.70, 98,424,301.05 and 61,837,064.70

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Solution

The fourth proportional to 65,616,200.70, 98,424,301.05 and 61,837,064.70 is: 92,755,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,200.70 : 98,424,301.05 = 61,837,064.70 : x
  2. Step 2: Convert to fraction form
    65,616,200.70/98,424,301.05 = 61,837,064.70/x
  3. Step 3: Cross multiply
    65,616,200.70x = 98,424,301.05 × 61,837,064.70
  4. Step 4: Simplify right side
    65,616,200.70x = 6,086,269,872,081,128
  5. Step 5: Solve for x
    x = 6,086,269,872,081,128/65,616,200.70
  6. Step 6: Final answer
    x = 92,755,597.05

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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.