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Finding the Fourth Proportional to 223,877.40, 335,814.06 and 90,726

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Solution

The fourth proportional to 223,877.40, 335,814.06 and 90,726 is: 136,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,877.40 : 335,814.06 = 90,726 : x
  2. Step 2: Convert to fraction form
    223,877.40/335,814.06 = 90,726/x
  3. Step 3: Cross multiply
    223,877.40x = 335,814.06 × 90,726
  4. Step 4: Simplify right side
    223,877.40x = 30,467,066,407.56
  5. Step 5: Solve for x
    x = 30,467,066,407.56/223,877.40
  6. Step 6: Final answer
    x = 136,088.17

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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.