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Finding the Fourth Proportional to 191,955.85, 264,897.27 and 105,915.62

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Solution

The fourth proportional to 191,955.85, 264,897.27 and 105,915.62 is: 146,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,955.85 : 264,897.27 = 105,915.62 : x
  2. Step 2: Convert to fraction form
    191,955.85/264,897.27 = 105,915.62/x
  3. Step 3: Cross multiply
    191,955.85x = 264,897.27 × 105,915.62
  4. Step 4: Simplify right side
    191,955.85x = 28,056,759,250.60
  5. Step 5: Solve for x
    x = 28,056,759,250.60/191,955.85
  6. Step 6: Final answer
    x = 146,162.57

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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.