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Finding the Fourth Proportional to 64,673,193.70, 97,009,790.55 and 44,265,859.30

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Solution

The fourth proportional to 64,673,193.70, 97,009,790.55 and 44,265,859.30 is: 66,398,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,673,193.70 : 97,009,790.55 = 44,265,859.30 : x
  2. Step 2: Convert to fraction form
    64,673,193.70/97,009,790.55 = 44,265,859.30/x
  3. Step 3: Cross multiply
    64,673,193.70x = 97,009,790.55 × 44,265,859.30
  4. Step 4: Simplify right side
    64,673,193.70x = 4,294,221,739,208,769
  5. Step 5: Solve for x
    x = 4,294,221,739,208,769/64,673,193.70
  6. Step 6: Final answer
    x = 66,398,788.95

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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.