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Finding the Fourth Proportional to 243,462.02, 335,971.31 and 136,032.93

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Solution

The fourth proportional to 243,462.02, 335,971.31 and 136,032.93 is: 187,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,462.02 : 335,971.31 = 136,032.93 : x
  2. Step 2: Convert to fraction form
    243,462.02/335,971.31 = 136,032.93/x
  3. Step 3: Cross multiply
    243,462.02x = 335,971.31 × 136,032.93
  4. Step 4: Simplify right side
    243,462.02x = 45,703,161,015.07
  5. Step 5: Solve for x
    x = 45,703,161,015.07/243,462.02
  6. Step 6: Final answer
    x = 187,721.94

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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.