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Finding the Fourth Proportional to 148,587,744.60, 208,453,309.65 and 148,587,744.60

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Solution

The fourth proportional to 148,587,744.60, 208,453,309.65 and 148,587,744.60 is: 208,453,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,587,744.60 : 208,453,309.65 = 148,587,744.60 : x
  2. Step 2: Convert to fraction form
    148,587,744.60/208,453,309.65 = 148,587,744.60/x
  3. Step 3: Cross multiply
    148,587,744.60x = 208,453,309.65 × 148,587,744.60
  4. Step 4: Simplify right side
    148,587,744.60x = 30,973,607,135,298,916
  5. Step 5: Solve for x
    x = 30,973,607,135,298,916/148,587,744.60
  6. Step 6: Final answer
    x = 208,453,309.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.