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Finding the Fourth Proportional to 335,111.73, 502,509.66 and 121,729.22

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Solution

The fourth proportional to 335,111.73, 502,509.66 and 121,729.22 is: 182,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,111.73 : 502,509.66 = 121,729.22 : x
  2. Step 2: Convert to fraction form
    335,111.73/502,509.66 = 121,729.22/x
  3. Step 3: Cross multiply
    335,111.73x = 502,509.66 × 121,729.22
  4. Step 4: Simplify right side
    335,111.73x = 61,170,106,441.72
  5. Step 5: Solve for x
    x = 61,170,106,441.72/335,111.73
  6. Step 6: Final answer
    x = 182,536.45

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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.