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Finding the Fourth Proportional to 215,805.01, 297,804.40 and 119,008.82

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Solution

The fourth proportional to 215,805.01, 297,804.40 and 119,008.82 is: 164,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,805.01 : 297,804.40 = 119,008.82 : x
  2. Step 2: Convert to fraction form
    215,805.01/297,804.40 = 119,008.82/x
  3. Step 3: Cross multiply
    215,805.01x = 297,804.40 × 119,008.82
  4. Step 4: Simplify right side
    215,805.01x = 35,441,348,225.12
  5. Step 5: Solve for x
    x = 35,441,348,225.12/215,805.01
  6. Step 6: Final answer
    x = 164,228.57

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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.