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Finding the Fourth Proportional to 78,903,840.03, 108,890,662.04 and 44,096,529.45

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Solution

The fourth proportional to 78,903,840.03, 108,890,662.04 and 44,096,529.45 is: 60,855,089.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903,840.03 : 108,890,662.04 = 44,096,529.45 : x
  2. Step 2: Convert to fraction form
    78,903,840.03/108,890,662.04 = 44,096,529.45/x
  3. Step 3: Cross multiply
    78,903,840.03x = 108,890,662.04 × 44,096,529.45
  4. Step 4: Simplify right side
    78,903,840.03x = 4,801,700,284,711,921
  5. Step 5: Solve for x
    x = 4,801,700,284,711,921/78,903,840.03
  6. Step 6: Final answer
    x = 60,855,089.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.