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Finding the Fourth Proportional to 191,888.88, 264,807.72 and 105,850.89

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Solution

The fourth proportional to 191,888.88, 264,807.72 and 105,850.89 is: 146,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,888.88 : 264,807.72 = 105,850.89 : x
  2. Step 2: Convert to fraction form
    191,888.88/264,807.72 = 105,850.89/x
  3. Step 3: Cross multiply
    191,888.88x = 264,807.72 × 105,850.89
  4. Step 4: Simplify right side
    191,888.88x = 28,030,132,840.87
  5. Step 5: Solve for x
    x = 28,030,132,840.87/191,888.88
  6. Step 6: Final answer
    x = 146,074.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.