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Finding the Fourth Proportional to 111,570,956.55, 167,356,434.83 and 111,570,956.55

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Solution

The fourth proportional to 111,570,956.55, 167,356,434.83 and 111,570,956.55 is: 167,356,434.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,570,956.55 : 167,356,434.83 = 111,570,956.55 : x
  2. Step 2: Convert to fraction form
    111,570,956.55/167,356,434.83 = 111,570,956.55/x
  3. Step 3: Cross multiply
    111,570,956.55x = 167,356,434.83 × 111,570,956.55
  4. Step 4: Simplify right side
    111,570,956.55x = 18,672,117,518,222,980
  5. Step 5: Solve for x
    x = 18,672,117,518,222,980/111,570,956.55
  6. Step 6: Final answer
    x = 167,356,434.83

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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.