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Finding the Fourth Proportional to 101,380.32, 152,096.40 and 42,196.32

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Solution

The fourth proportional to 101,380.32, 152,096.40 and 42,196.32 is: 63,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380.32 : 152,096.40 = 42,196.32 : x
  2. Step 2: Convert to fraction form
    101,380.32/152,096.40 = 42,196.32/x
  3. Step 3: Cross multiply
    101,380.32x = 152,096.40 × 42,196.32
  4. Step 4: Simplify right side
    101,380.32x = 6,417,908,365.25
  5. Step 5: Solve for x
    x = 6,417,908,365.25/101,380.32
  6. Step 6: Final answer
    x = 63,305.27

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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.