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Finding the Fourth Proportional to 56,662,289.60, 84,993,434.40 and 44,332,858.40

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Solution

The fourth proportional to 56,662,289.60, 84,993,434.40 and 44,332,858.40 is: 66,499,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,662,289.60 : 84,993,434.40 = 44,332,858.40 : x
  2. Step 2: Convert to fraction form
    56,662,289.60/84,993,434.40 = 44,332,858.40/x
  3. Step 3: Cross multiply
    56,662,289.60x = 84,993,434.40 × 44,332,858.40
  4. Step 4: Simplify right side
    56,662,289.60x = 3,768,001,892,184,889
  5. Step 5: Solve for x
    x = 3,768,001,892,184,889/56,662,289.60
  6. Step 6: Final answer
    x = 66,499,287.60

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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.