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Finding the Fourth Proportional to 55,702,978.30, 83,395,035.15 and 49,325,686.30

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Solution

The fourth proportional to 55,702,978.30, 83,395,035.15 and 49,325,686.30 is: 73,847,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,702,978.30 : 83,395,035.15 = 49,325,686.30 : x
  2. Step 2: Convert to fraction form
    55,702,978.30/83,395,035.15 = 49,325,686.30/x
  3. Step 3: Cross multiply
    55,702,978.30x = 83,395,035.15 × 49,325,686.30
  4. Step 4: Simplify right side
    55,702,978.30x = 4,113,517,342,786,373.50
  5. Step 5: Solve for x
    x = 4,113,517,342,786,373.50/55,702,978.30
  6. Step 6: Final answer
    x = 73,847,350.15

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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.