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Finding the Fourth Proportional to 11,178,045.68, 16,767,068.51 and 11,178,045.68

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Solution

The fourth proportional to 11,178,045.68, 16,767,068.51 and 11,178,045.68 is: 16,767,068.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,045.68 : 16,767,068.51 = 11,178,045.68 : x
  2. Step 2: Convert to fraction form
    11,178,045.68/16,767,068.51 = 11,178,045.68/x
  3. Step 3: Cross multiply
    11,178,045.68x = 16,767,068.51 × 11,178,045.68
  4. Step 4: Simplify right side
    11,178,045.68x = 187,423,057,668,579.31
  5. Step 5: Solve for x
    x = 187,423,057,668,579.31/11,178,045.68
  6. Step 6: Final answer
    x = 16,767,068.51

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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.