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Finding the Fourth Proportional to 228,603.60, 342,905.40 and 60,123.60

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Solution

The fourth proportional to 228,603.60, 342,905.40 and 60,123.60 is: 90,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,603.60 : 342,905.40 = 60,123.60 : x
  2. Step 2: Convert to fraction form
    228,603.60/342,905.40 = 60,123.60/x
  3. Step 3: Cross multiply
    228,603.60x = 342,905.40 × 60,123.60
  4. Step 4: Simplify right side
    228,603.60x = 20,616,707,107.44
  5. Step 5: Solve for x
    x = 20,616,707,107.44/228,603.60
  6. Step 6: Final answer
    x = 90,185.40

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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.