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Finding the Fourth Proportional to 201,357.72, 277,880.79 and 110,720.58

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Solution

The fourth proportional to 201,357.72, 277,880.79 and 110,720.58 is: 152,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,357.72 : 277,880.79 = 110,720.58 : x
  2. Step 2: Convert to fraction form
    201,357.72/277,880.79 = 110,720.58/x
  3. Step 3: Cross multiply
    201,357.72x = 277,880.79 × 110,720.58
  4. Step 4: Simplify right side
    201,357.72x = 30,767,122,239.66
  5. Step 5: Solve for x
    x = 30,767,122,239.66/201,357.72
  6. Step 6: Final answer
    x = 152,798.32

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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.