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Finding the Fourth Proportional to 74,751,019.60, 112,147,524.60 and 36,413,784.40

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Solution

The fourth proportional to 74,751,019.60, 112,147,524.60 and 36,413,784.40 is: 54,630,904.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,751,019.60 : 112,147,524.60 = 36,413,784.40 : x
  2. Step 2: Convert to fraction form
    74,751,019.60/112,147,524.60 = 36,413,784.40/x
  3. Step 3: Cross multiply
    74,751,019.60x = 112,147,524.60 × 36,413,784.40
  4. Step 4: Simplify right side
    74,751,019.60x = 4,083,715,781,778,096
  5. Step 5: Solve for x
    x = 4,083,715,781,778,096/74,751,019.60
  6. Step 6: Final answer
    x = 54,630,904.08

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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.