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Finding the Fourth Proportional to 55,766,004.80, 83,649,007.20 and 44,286,879.20

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Solution

The fourth proportional to 55,766,004.80, 83,649,007.20 and 44,286,879.20 is: 66,430,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766,004.80 : 83,649,007.20 = 44,286,879.20 : x
  2. Step 2: Convert to fraction form
    55,766,004.80/83,649,007.20 = 44,286,879.20/x
  3. Step 3: Cross multiply
    55,766,004.80x = 83,649,007.20 × 44,286,879.20
  4. Step 4: Simplify right side
    55,766,004.80x = 3,704,553,477,066,330.50
  5. Step 5: Solve for x
    x = 3,704,553,477,066,330.50/55,766,004.80
  6. Step 6: Final answer
    x = 66,430,318.80

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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.