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Finding the Fourth Proportional to 64,693,941.80, 96,775,491.90 and 58,323,842.60

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Solution

The fourth proportional to 64,693,941.80, 96,775,491.90 and 58,323,842.60 is: 87,246,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693,941.80 : 96,775,491.90 = 58,323,842.60 : x
  2. Step 2: Convert to fraction form
    64,693,941.80/96,775,491.90 = 58,323,842.60/x
  3. Step 3: Cross multiply
    64,693,941.80x = 96,775,491.90 × 58,323,842.60
  4. Step 4: Simplify right side
    64,693,941.80x = 5,644,318,557,113,175
  5. Step 5: Solve for x
    x = 5,644,318,557,113,175/64,693,941.80
  6. Step 6: Final answer
    x = 87,246,477.80

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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.