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Finding the Fourth Proportional to 64,693,844.80, 96,775,346.40 and 58,323,745.60

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Solution

The fourth proportional to 64,693,844.80, 96,775,346.40 and 58,323,745.60 is: 87,246,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693,844.80 : 96,775,346.40 = 58,323,745.60 : x
  2. Step 2: Convert to fraction form
    64,693,844.80/96,775,346.40 = 58,323,745.60/x
  3. Step 3: Cross multiply
    64,693,844.80x = 96,775,346.40 × 58,323,745.60
  4. Step 4: Simplify right side
    64,693,844.80x = 5,644,300,683,785,476
  5. Step 5: Solve for x
    x = 5,644,300,683,785,476/64,693,844.80
  6. Step 6: Final answer
    x = 87,246,332.34

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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.