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Finding the Fourth Proportional to 73,591,985.40, 110,387,978.10 and 44,823,312.60

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Solution

The fourth proportional to 73,591,985.40, 110,387,978.10 and 44,823,312.60 is: 67,234,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,591,985.40 : 110,387,978.10 = 44,823,312.60 : x
  2. Step 2: Convert to fraction form
    73,591,985.40/110,387,978.10 = 44,823,312.60/x
  3. Step 3: Cross multiply
    73,591,985.40x = 110,387,978.10 × 44,823,312.60
  4. Step 4: Simplify right side
    73,591,985.40x = 4,947,954,849,658,254
  5. Step 5: Solve for x
    x = 4,947,954,849,658,254/73,591,985.40
  6. Step 6: Final answer
    x = 67,234,968.90

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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.