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Finding the Fourth Proportional to 9,386,166.60, 13,178,424.60 and 9,386,166.60

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Solution

The fourth proportional to 9,386,166.60, 13,178,424.60 and 9,386,166.60 is: 13,178,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386,166.60 : 13,178,424.60 = 9,386,166.60 : x
  2. Step 2: Convert to fraction form
    9,386,166.60/13,178,424.60 = 9,386,166.60/x
  3. Step 3: Cross multiply
    9,386,166.60x = 13,178,424.60 × 9,386,166.60
  4. Step 4: Simplify right side
    9,386,166.60x = 123,694,888,821,138.36
  5. Step 5: Solve for x
    x = 123,694,888,821,138.36/9,386,166.60
  6. Step 6: Final answer
    x = 13,178,424.60

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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.