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Finding the Fourth Proportional to 292,274.16, 438,424.01 and 92,609.26

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Solution

The fourth proportional to 292,274.16, 438,424.01 and 92,609.26 is: 138,917.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,274.16 : 438,424.01 = 92,609.26 : x
  2. Step 2: Convert to fraction form
    292,274.16/438,424.01 = 92,609.26/x
  3. Step 3: Cross multiply
    292,274.16x = 438,424.01 × 92,609.26
  4. Step 4: Simplify right side
    292,274.16x = 40,602,121,920.51
  5. Step 5: Solve for x
    x = 40,602,121,920.51/292,274.16
  6. Step 6: Final answer
    x = 138,917.93

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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.