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Finding the Fourth Proportional to 162,985.56, 224,876.70 and 94,057.56

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Solution

The fourth proportional to 162,985.56, 224,876.70 and 94,057.56 is: 129,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,985.56 : 224,876.70 = 94,057.56 : x
  2. Step 2: Convert to fraction form
    162,985.56/224,876.70 = 94,057.56/x
  3. Step 3: Cross multiply
    162,985.56x = 224,876.70 × 94,057.56
  4. Step 4: Simplify right side
    162,985.56x = 21,151,353,702.85
  5. Step 5: Solve for x
    x = 21,151,353,702.85/162,985.56
  6. Step 6: Final answer
    x = 129,774.40

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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.