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Finding the Fourth Proportional to 65,264,802.40, 97,968,062.40 and 41,031,092.80

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Solution

The fourth proportional to 65,264,802.40, 97,968,062.40 and 41,031,092.80 is: 61,591,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,264,802.40 : 97,968,062.40 = 41,031,092.80 : x
  2. Step 2: Convert to fraction form
    65,264,802.40/97,968,062.40 = 41,031,092.80/x
  3. Step 3: Cross multiply
    65,264,802.40x = 97,968,062.40 × 41,031,092.80
  4. Step 4: Simplify right side
    65,264,802.40x = 4,019,736,659,770,590.50
  5. Step 5: Solve for x
    x = 4,019,736,659,770,590.50/65,264,802.40
  6. Step 6: Final answer
    x = 61,591,187.16

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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.