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Finding the Fourth Proportional to 243,032.70, 335,415.42 and 141,036.26

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Solution

The fourth proportional to 243,032.70, 335,415.42 and 141,036.26 is: 194,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,032.70 : 335,415.42 = 141,036.26 : x
  2. Step 2: Convert to fraction form
    243,032.70/335,415.42 = 141,036.26/x
  3. Step 3: Cross multiply
    243,032.70x = 335,415.42 × 141,036.26
  4. Step 4: Simplify right side
    243,032.70x = 47,305,734,000.87
  5. Step 5: Solve for x
    x = 47,305,734,000.87/243,032.70
  6. Step 6: Final answer
    x = 194,647.61

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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.