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Finding the Fourth Proportional to 64,346,289.84, 88,798,736.70 and 34,978,072.86

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Solution

The fourth proportional to 64,346,289.84, 88,798,736.70 and 34,978,072.86 is: 48,270,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,346,289.84 : 88,798,736.70 = 34,978,072.86 : x
  2. Step 2: Convert to fraction form
    64,346,289.84/88,798,736.70 = 34,978,072.86/x
  3. Step 3: Cross multiply
    64,346,289.84x = 88,798,736.70 × 34,978,072.86
  4. Step 4: Simplify right side
    64,346,289.84x = 3,106,008,682,168,556
  5. Step 5: Solve for x
    x = 3,106,008,682,168,556/64,346,289.84
  6. Step 6: Final answer
    x = 48,270,206.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.