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Finding the Fourth Proportional to 201,019.76, 277,412.56 and 110,381.58

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Solution

The fourth proportional to 201,019.76, 277,412.56 and 110,381.58 is: 152,329.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,019.76 : 277,412.56 = 110,381.58 : x
  2. Step 2: Convert to fraction form
    201,019.76/277,412.56 = 110,381.58/x
  3. Step 3: Cross multiply
    201,019.76x = 277,412.56 × 110,381.58
  4. Step 4: Simplify right side
    201,019.76x = 30,621,236,684.64
  5. Step 5: Solve for x
    x = 30,621,236,684.64/201,019.76
  6. Step 6: Final answer
    x = 152,329.49

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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.