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Finding the Fourth Proportional to 127,232.10, 190,848.15 and 74,015.10

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Solution

The fourth proportional to 127,232.10, 190,848.15 and 74,015.10 is: 111,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,232.10 : 190,848.15 = 74,015.10 : x
  2. Step 2: Convert to fraction form
    127,232.10/190,848.15 = 74,015.10/x
  3. Step 3: Cross multiply
    127,232.10x = 190,848.15 × 74,015.10
  4. Step 4: Simplify right side
    127,232.10x = 14,125,644,907.07
  5. Step 5: Solve for x
    x = 14,125,644,907.07/127,232.10
  6. Step 6: Final answer
    x = 111,022.65

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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.