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Finding the Fourth Proportional to 64,354,903.80, 96,532,355.70 and 57,860,388.60

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Solution

The fourth proportional to 64,354,903.80, 96,532,355.70 and 57,860,388.60 is: 86,790,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354,903.80 : 96,532,355.70 = 57,860,388.60 : x
  2. Step 2: Convert to fraction form
    64,354,903.80/96,532,355.70 = 57,860,388.60/x
  3. Step 3: Cross multiply
    64,354,903.80x = 96,532,355.70 × 57,860,388.60
  4. Step 4: Simplify right side
    64,354,903.80x = 5,585,399,613,275,425
  5. Step 5: Solve for x
    x = 5,585,399,613,275,425/64,354,903.80
  6. Step 6: Final answer
    x = 86,790,582.90

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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.