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Finding the Fourth Proportional to 63,119,985.60, 94,679,978.40 and 50,365,401.60

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Solution

The fourth proportional to 63,119,985.60, 94,679,978.40 and 50,365,401.60 is: 75,548,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,119,985.60 : 94,679,978.40 = 50,365,401.60 : x
  2. Step 2: Convert to fraction form
    63,119,985.60/94,679,978.40 = 50,365,401.60/x
  3. Step 3: Cross multiply
    63,119,985.60x = 94,679,978.40 × 50,365,401.60
  4. Step 4: Simplify right side
    63,119,985.60x = 4,768,595,135,595,326
  5. Step 5: Solve for x
    x = 4,768,595,135,595,326/63,119,985.60
  6. Step 6: Final answer
    x = 75,548,102.40

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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.