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Finding the Fourth Proportional to 64,140,603.04, 96,200,663.04 and 18,691,766.56

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Solution

The fourth proportional to 64,140,603.04, 96,200,663.04 and 18,691,766.56 is: 28,034,665.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140,603.04 : 96,200,663.04 = 18,691,766.56 : x
  2. Step 2: Convert to fraction form
    64,140,603.04/96,200,663.04 = 18,691,766.56/x
  3. Step 3: Cross multiply
    64,140,603.04x = 96,200,663.04 × 18,691,766.56
  4. Step 4: Simplify right side
    64,140,603.04x = 1,798,160,336,460,900
  5. Step 5: Solve for x
    x = 1,798,160,336,460,900/64,140,603.04
  6. Step 6: Final answer
    x = 28,034,665.27

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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.