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Finding the Fourth Proportional to 151,745.40, 227,618.10 and 39,416.40

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Solution

The fourth proportional to 151,745.40, 227,618.10 and 39,416.40 is: 59,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,745.40 : 227,618.10 = 39,416.40 : x
  2. Step 2: Convert to fraction form
    151,745.40/227,618.10 = 39,416.40/x
  3. Step 3: Cross multiply
    151,745.40x = 227,618.10 × 39,416.40
  4. Step 4: Simplify right side
    151,745.40x = 8,971,886,076.84
  5. Step 5: Solve for x
    x = 8,971,886,076.84/151,745.40
  6. Step 6: Final answer
    x = 59,124.60

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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.