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Finding the Fourth Proportional to 117,978,176.70, 176,967,265.05 and 117,978,176.70

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Solution

The fourth proportional to 117,978,176.70, 176,967,265.05 and 117,978,176.70 is: 176,967,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,978,176.70 : 176,967,265.05 = 117,978,176.70 : x
  2. Step 2: Convert to fraction form
    117,978,176.70/176,967,265.05 = 117,978,176.70/x
  3. Step 3: Cross multiply
    117,978,176.70x = 176,967,265.05 × 117,978,176.70
  4. Step 4: Simplify right side
    117,978,176.70x = 20,878,275,266,184,636
  5. Step 5: Solve for x
    x = 20,878,275,266,184,636/117,978,176.70
  6. Step 6: Final answer
    x = 176,967,265.05

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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.