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Finding the Fourth Proportional to 233,774.85, 349,787.48 and 155,042.85

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Solution

The fourth proportional to 233,774.85, 349,787.48 and 155,042.85 is: 231,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,774.85 : 349,787.48 = 155,042.85 : x
  2. Step 2: Convert to fraction form
    233,774.85/349,787.48 = 155,042.85/x
  3. Step 3: Cross multiply
    233,774.85x = 349,787.48 × 155,042.85
  4. Step 4: Simplify right side
    233,774.85x = 54,232,047,018.30
  5. Step 5: Solve for x
    x = 54,232,047,018.30/233,774.85
  6. Step 6: Final answer
    x = 231,984.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.