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Finding the Fourth Proportional to 56,809,532.80, 85,164,532.80 and 34,099,465.60

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Solution

The fourth proportional to 56,809,532.80, 85,164,532.80 and 34,099,465.60 is: 51,119,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809,532.80 : 85,164,532.80 = 34,099,465.60 : x
  2. Step 2: Convert to fraction form
    56,809,532.80/85,164,532.80 = 34,099,465.60/x
  3. Step 3: Cross multiply
    56,809,532.80x = 85,164,532.80 × 34,099,465.60
  4. Step 4: Simplify right side
    56,809,532.80x = 2,904,065,056,553,671.50
  5. Step 5: Solve for x
    x = 2,904,065,056,553,671.50/56,809,532.80
  6. Step 6: Final answer
    x = 51,119,326.52

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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.