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Finding the Fourth Proportional to 256,482.52, 353,915.34 and 141,754.12

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Solution

The fourth proportional to 256,482.52, 353,915.34 and 141,754.12 is: 195,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,482.52 : 353,915.34 = 141,754.12 : x
  2. Step 2: Convert to fraction form
    256,482.52/353,915.34 = 141,754.12/x
  3. Step 3: Cross multiply
    256,482.52x = 353,915.34 × 141,754.12
  4. Step 4: Simplify right side
    256,482.52x = 50,168,957,576.20
  5. Step 5: Solve for x
    x = 50,168,957,576.20/256,482.52
  6. Step 6: Final answer
    x = 195,603.81

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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.