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Finding the Fourth Proportional to 266,774.84, 368,158.02 and 145,916.12

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Solution

The fourth proportional to 266,774.84, 368,158.02 and 145,916.12 is: 201,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,774.84 : 368,158.02 = 145,916.12 : x
  2. Step 2: Convert to fraction form
    266,774.84/368,158.02 = 145,916.12/x
  3. Step 3: Cross multiply
    266,774.84x = 368,158.02 × 145,916.12
  4. Step 4: Simplify right side
    266,774.84x = 53,720,189,825.28
  5. Step 5: Solve for x
    x = 53,720,189,825.28/266,774.84
  6. Step 6: Final answer
    x = 201,369.03

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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.