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Finding the Fourth Proportional to 78,894,114.40, 118,341,171.60 and 44,456,737.60

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Solution

The fourth proportional to 78,894,114.40, 118,341,171.60 and 44,456,737.60 is: 66,685,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,894,114.40 : 118,341,171.60 = 44,456,737.60 : x
  2. Step 2: Convert to fraction form
    78,894,114.40/118,341,171.60 = 44,456,737.60/x
  3. Step 3: Cross multiply
    78,894,114.40x = 118,341,171.60 × 44,456,737.60
  4. Step 4: Simplify right side
    78,894,114.40x = 5,261,062,413,097,772
  5. Step 5: Solve for x
    x = 5,261,062,413,097,772/78,894,114.40
  6. Step 6: Final answer
    x = 66,685,106.40

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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.