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Finding the Fourth Proportional to 201,153.84, 277,592.40 and 110,515.64

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Solution

The fourth proportional to 201,153.84, 277,592.40 and 110,515.64 is: 152,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,153.84 : 277,592.40 = 110,515.64 : x
  2. Step 2: Convert to fraction form
    201,153.84/277,592.40 = 110,515.64/x
  3. Step 3: Cross multiply
    201,153.84x = 277,592.40 × 110,515.64
  4. Step 4: Simplify right side
    201,153.84x = 30,678,301,745.14
  5. Step 5: Solve for x
    x = 30,678,301,745.14/201,153.84
  6. Step 6: Final answer
    x = 152,511.64

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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.