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Finding the Fourth Proportional to 82,907,599.60, 124,172,442.60 and 48,895,375.60

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Solution

The fourth proportional to 82,907,599.60, 124,172,442.60 and 48,895,375.60 is: 73,231,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,907,599.60 : 124,172,442.60 = 48,895,375.60 : x
  2. Step 2: Convert to fraction form
    82,907,599.60/124,172,442.60 = 48,895,375.60/x
  3. Step 3: Cross multiply
    82,907,599.60x = 124,172,442.60 × 48,895,375.60
  4. Step 4: Simplify right side
    82,907,599.60x = 6,071,458,220,096,440
  5. Step 5: Solve for x
    x = 6,071,458,220,096,440/82,907,599.60
  6. Step 6: Final answer
    x = 73,231,624.72

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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.