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Finding the Fourth Proportional to 64,140,599.04, 96,200,657.04 and 18,691,762.56

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Solution

The fourth proportional to 64,140,599.04, 96,200,657.04 and 18,691,762.56 is: 28,034,659.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140,599.04 : 96,200,657.04 = 18,691,762.56 : x
  2. Step 2: Convert to fraction form
    64,140,599.04/96,200,657.04 = 18,691,762.56/x
  3. Step 3: Cross multiply
    64,140,599.04x = 96,200,657.04 × 18,691,762.56
  4. Step 4: Simplify right side
    64,140,599.04x = 1,798,159,839,507,672.50
  5. Step 5: Solve for x
    x = 1,798,159,839,507,672.50/64,140,599.04
  6. Step 6: Final answer
    x = 28,034,659.27

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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.