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Finding the Fourth Proportional to 10,201,518.20, 15,302,277.30 and 10,201,518.20

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Solution

The fourth proportional to 10,201,518.20, 15,302,277.30 and 10,201,518.20 is: 15,302,277.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201,518.20 : 15,302,277.30 = 10,201,518.20 : x
  2. Step 2: Convert to fraction form
    10,201,518.20/15,302,277.30 = 10,201,518.20/x
  3. Step 3: Cross multiply
    10,201,518.20x = 15,302,277.30 × 10,201,518.20
  4. Step 4: Simplify right side
    10,201,518.20x = 156,106,460,377,396.84
  5. Step 5: Solve for x
    x = 156,106,460,377,396.84/10,201,518.20
  6. Step 6: Final answer
    x = 15,302,277.30

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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.