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Finding the Fourth Proportional to 194,425.70, 268,307.41 and 105,001.70

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Solution

The fourth proportional to 194,425.70, 268,307.41 and 105,001.70 is: 144,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,425.70 : 268,307.41 = 105,001.70 : x
  2. Step 2: Convert to fraction form
    194,425.70/268,307.41 = 105,001.70/x
  3. Step 3: Cross multiply
    194,425.70x = 268,307.41 × 105,001.70
  4. Step 4: Simplify right side
    194,425.70x = 28,172,734,172.60
  5. Step 5: Solve for x
    x = 28,172,734,172.60/194,425.70
  6. Step 6: Final answer
    x = 144,902.32

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1.5x scale

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.