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Finding the Fourth Proportional to 201,055.55, 277,461.32 and 115,022.62

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Solution

The fourth proportional to 201,055.55, 277,461.32 and 115,022.62 is: 158,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,055.55 : 277,461.32 = 115,022.62 : x
  2. Step 2: Convert to fraction form
    201,055.55/277,461.32 = 115,022.62/x
  3. Step 3: Cross multiply
    201,055.55x = 277,461.32 × 115,022.62
  4. Step 4: Simplify right side
    201,055.55x = 31,914,326,706.29
  5. Step 5: Solve for x
    x = 31,914,326,706.29/201,055.55
  6. Step 6: Final answer
    x = 158,733.87

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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.