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Finding the Fourth Proportional to 292,002.99, 438,001.89 and 92,323.51

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Solution

The fourth proportional to 292,002.99, 438,001.89 and 92,323.51 is: 138,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,002.99 : 438,001.89 = 92,323.51 : x
  2. Step 2: Convert to fraction form
    292,002.99/438,001.89 = 92,323.51/x
  3. Step 3: Cross multiply
    292,002.99x = 438,001.89 × 92,323.51
  4. Step 4: Simplify right side
    292,002.99x = 40,437,871,871.43
  5. Step 5: Solve for x
    x = 40,437,871,871.43/292,002.99
  6. Step 6: Final answer
    x = 138,484.44

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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.