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Finding the Fourth Proportional to 104,976,461.70, 157,464,692.55 and 83,293,668.90

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Solution

The fourth proportional to 104,976,461.70, 157,464,692.55 and 83,293,668.90 is: 124,940,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,461.70 : 157,464,692.55 = 83,293,668.90 : x
  2. Step 2: Convert to fraction form
    104,976,461.70/157,464,692.55 = 83,293,668.90/x
  3. Step 3: Cross multiply
    104,976,461.70x = 157,464,692.55 × 83,293,668.90
  4. Step 4: Simplify right side
    104,976,461.70x = 13,115,811,964,699,998
  5. Step 5: Solve for x
    x = 13,115,811,964,699,998/104,976,461.70
  6. Step 6: Final answer
    x = 124,940,503.35

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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.