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Finding the Fourth Proportional to 64,162,894.60, 96,244,341.90 and 47,156,782.60

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Solution

The fourth proportional to 64,162,894.60, 96,244,341.90 and 47,156,782.60 is: 70,735,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162,894.60 : 96,244,341.90 = 47,156,782.60 : x
  2. Step 2: Convert to fraction form
    64,162,894.60/96,244,341.90 = 47,156,782.60/x
  3. Step 3: Cross multiply
    64,162,894.60x = 96,244,341.90 × 47,156,782.60
  4. Step 4: Simplify right side
    64,162,894.60x = 4,538,573,507,458,371
  5. Step 5: Solve for x
    x = 4,538,573,507,458,371/64,162,894.60
  6. Step 6: Final answer
    x = 70,735,173.90

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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.