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Finding the Fourth Proportional to 65,909,843.83, 98,886,743.10 and 43,838,997.04

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Solution

The fourth proportional to 65,909,843.83, 98,886,743.10 and 43,838,997.04 is: 65,773,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,909,843.83 : 98,886,743.10 = 43,838,997.04 : x
  2. Step 2: Convert to fraction form
    65,909,843.83/98,886,743.10 = 43,838,997.04/x
  3. Step 3: Cross multiply
    65,909,843.83x = 98,886,743.10 × 43,838,997.04
  4. Step 4: Simplify right side
    65,909,843.83x = 4,335,095,638,056,140
  5. Step 5: Solve for x
    x = 4,335,095,638,056,140/65,909,843.83
  6. Step 6: Final answer
    x = 65,773,113.49

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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.