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Finding the Fourth Proportional to 64,368,652.33, 96,552,978.50 and 18,930,446.83

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Solution

The fourth proportional to 64,368,652.33, 96,552,978.50 and 18,930,446.83 is: 28,395,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368,652.33 : 96,552,978.50 = 18,930,446.83 : x
  2. Step 2: Convert to fraction form
    64,368,652.33/96,552,978.50 = 18,930,446.83/x
  3. Step 3: Cross multiply
    64,368,652.33x = 96,552,978.50 × 18,930,446.83
  4. Step 4: Simplify right side
    64,368,652.33x = 1,827,791,025,772,383
  5. Step 5: Solve for x
    x = 1,827,791,025,772,383/64,368,652.33
  6. Step 6: Final answer
    x = 28,395,670.25

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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.