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Finding the Fourth Proportional to 223,802.84, 308,259.58 and 172,020.91

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Solution

The fourth proportional to 223,802.84, 308,259.58 and 172,020.91 is: 236,936.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,802.84 : 308,259.58 = 172,020.91 : x
  2. Step 2: Convert to fraction form
    223,802.84/308,259.58 = 172,020.91/x
  3. Step 3: Cross multiply
    223,802.84x = 308,259.58 × 172,020.91
  4. Step 4: Simplify right side
    223,802.84x = 53,027,093,467.82
  5. Step 5: Solve for x
    x = 53,027,093,467.82/223,802.84
  6. Step 6: Final answer
    x = 236,936.64

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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.