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Finding the Fourth Proportional to 201,280.36, 277,830.66 and 137,594.92

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Solution

The fourth proportional to 201,280.36, 277,830.66 and 137,594.92 is: 189,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,280.36 : 277,830.66 = 137,594.92 : x
  2. Step 2: Convert to fraction form
    201,280.36/277,830.66 = 137,594.92/x
  3. Step 3: Cross multiply
    201,280.36x = 277,830.66 × 137,594.92
  4. Step 4: Simplify right side
    201,280.36x = 38,228,087,436.25
  5. Step 5: Solve for x
    x = 38,228,087,436.25/201,280.36
  6. Step 6: Final answer
    x = 189,924.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.