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Finding the Fourth Proportional to 228,176.40, 342,264.60 and 70,404.60

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Solution

The fourth proportional to 228,176.40, 342,264.60 and 70,404.60 is: 105,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,176.40 : 342,264.60 = 70,404.60 : x
  2. Step 2: Convert to fraction form
    228,176.40/342,264.60 = 70,404.60/x
  3. Step 3: Cross multiply
    228,176.40x = 342,264.60 × 70,404.60
  4. Step 4: Simplify right side
    228,176.40x = 24,097,002,257.16
  5. Step 5: Solve for x
    x = 24,097,002,257.16/228,176.40
  6. Step 6: Final answer
    x = 105,606.90

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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.