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Finding the Fourth Proportional to 191,892.90, 287,580.15 and 169,601.70

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Solution

The fourth proportional to 191,892.90, 287,580.15 and 169,601.70 is: 254,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,892.90 : 287,580.15 = 169,601.70 : x
  2. Step 2: Convert to fraction form
    191,892.90/287,580.15 = 169,601.70/x
  3. Step 3: Cross multiply
    191,892.90x = 287,580.15 × 169,601.70
  4. Step 4: Simplify right side
    191,892.90x = 48,774,082,326.26
  5. Step 5: Solve for x
    x = 48,774,082,326.26/191,892.90
  6. Step 6: Final answer
    x = 254,173.46

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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.