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Finding the Fourth Proportional to 228,605.60, 342,908.40 and 60,125.60

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Solution

The fourth proportional to 228,605.60, 342,908.40 and 60,125.60 is: 90,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,605.60 : 342,908.40 = 60,125.60 : x
  2. Step 2: Convert to fraction form
    228,605.60/342,908.40 = 60,125.60/x
  3. Step 3: Cross multiply
    228,605.60x = 342,908.40 × 60,125.60
  4. Step 4: Simplify right side
    228,605.60x = 20,617,573,295.04
  5. Step 5: Solve for x
    x = 20,617,573,295.04/228,605.60
  6. Step 6: Final answer
    x = 90,188.40

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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.