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Finding the Fourth Proportional to 185,302.40, 277,953.60 and 66,977.60

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Solution

The fourth proportional to 185,302.40, 277,953.60 and 66,977.60 is: 100,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,302.40 : 277,953.60 = 66,977.60 : x
  2. Step 2: Convert to fraction form
    185,302.40/277,953.60 = 66,977.60/x
  3. Step 3: Cross multiply
    185,302.40x = 277,953.60 × 66,977.60
  4. Step 4: Simplify right side
    185,302.40x = 18,616,665,039.36
  5. Step 5: Solve for x
    x = 18,616,665,039.36/185,302.40
  6. Step 6: Final answer
    x = 100,466.40

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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.