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Finding the Fourth Proportional to 64,673,313.20, 97,009,969.80 and 44,265,978.80

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Solution

The fourth proportional to 64,673,313.20, 97,009,969.80 and 44,265,978.80 is: 66,398,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673,313.20 : 97,009,969.80 = 44,265,978.80 : x
  2. Step 2: Convert to fraction form
    64,673,313.20/97,009,969.80 = 44,265,978.80/x
  3. Step 3: Cross multiply
    64,673,313.20x = 97,009,969.80 × 44,265,978.80
  4. Step 4: Simplify right side
    64,673,313.20x = 4,294,241,266,555,440
  5. Step 5: Solve for x
    x = 4,294,241,266,555,440/64,673,313.20
  6. Step 6: Final answer
    x = 66,398,968.20

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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.