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Finding the Fourth Proportional to 151,333, 226,915.62 and 70,191.52

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Solution

The fourth proportional to 151,333, 226,915.62 and 70,191.52 is: 105,248.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,333 : 226,915.62 = 70,191.52 : x
  2. Step 2: Convert to fraction form
    151,333/226,915.62 = 70,191.52/x
  3. Step 3: Cross multiply
    151,333x = 226,915.62 × 70,191.52
  4. Step 4: Simplify right side
    151,333x = 15,927,552,279.54
  5. Step 5: Solve for x
    x = 15,927,552,279.54/151,333
  6. Step 6: Final answer
    x = 105,248.37

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1.5x scale

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.