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Finding the Fourth Proportional to 116,563,978.76, 174,843,567.52 and 38,846,525.60

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Solution

The fourth proportional to 116,563,978.76, 174,843,567.52 and 38,846,525.60 is: 58,268,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,563,978.76 : 174,843,567.52 = 38,846,525.60 : x
  2. Step 2: Convert to fraction form
    116,563,978.76/174,843,567.52 = 38,846,525.60/x
  3. Step 3: Cross multiply
    116,563,978.76x = 174,843,567.52 × 38,846,525.60
  4. Step 4: Simplify right side
    116,563,978.76x = 6,792,065,121,661,009
  5. Step 5: Solve for x
    x = 6,792,065,121,661,009/116,563,978.76
  6. Step 6: Final answer
    x = 58,268,988.36

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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.