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Finding the Fourth Proportional to 103,435.31, 155,152.97 and 33,314.62

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Solution

The fourth proportional to 103,435.31, 155,152.97 and 33,314.62 is: 49,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,435.31 : 155,152.97 = 33,314.62 : x
  2. Step 2: Convert to fraction form
    103,435.31/155,152.97 = 33,314.62/x
  3. Step 3: Cross multiply
    103,435.31x = 155,152.97 × 33,314.62
  4. Step 4: Simplify right side
    103,435.31x = 5,168,862,237.42
  5. Step 5: Solve for x
    x = 5,168,862,237.42/103,435.31
  6. Step 6: Final answer
    x = 49,971.93

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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.