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Finding the Fourth Proportional to 292,637.94, 403,837.83 and 158,501.94

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Solution

The fourth proportional to 292,637.94, 403,837.83 and 158,501.94 is: 218,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,637.94 : 403,837.83 = 158,501.94 : x
  2. Step 2: Convert to fraction form
    292,637.94/403,837.83 = 158,501.94/x
  3. Step 3: Cross multiply
    292,637.94x = 403,837.83 × 158,501.94
  4. Step 4: Simplify right side
    292,637.94x = 64,009,079,500.39
  5. Step 5: Solve for x
    x = 64,009,079,500.39/292,637.94
  6. Step 6: Final answer
    x = 218,731.31

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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.