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Finding the Fourth Proportional to 14,949,207.10, 20,943,061.70 and 14,949,207.10

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Solution

The fourth proportional to 14,949,207.10, 20,943,061.70 and 14,949,207.10 is: 20,943,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,949,207.10 : 20,943,061.70 = 14,949,207.10 : x
  2. Step 2: Convert to fraction form
    14,949,207.10/20,943,061.70 = 14,949,207.10/x
  3. Step 3: Cross multiply
    14,949,207.10x = 20,943,061.70 × 14,949,207.10
  4. Step 4: Simplify right side
    14,949,207.10x = 313,082,166,661,378.06
  5. Step 5: Solve for x
    x = 313,082,166,661,378.06/14,949,207.10
  6. Step 6: Final answer
    x = 20,943,061.70

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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.