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Finding the Fourth Proportional to 292,525.98, 438,726.57 and 92,864.22

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Solution

The fourth proportional to 292,525.98, 438,726.57 and 92,864.22 is: 139,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,525.98 : 438,726.57 = 92,864.22 : x
  2. Step 2: Convert to fraction form
    292,525.98/438,726.57 = 92,864.22/x
  3. Step 3: Cross multiply
    292,525.98x = 438,726.57 × 92,864.22
  4. Step 4: Simplify right side
    292,525.98x = 40,742,000,716.33
  5. Step 5: Solve for x
    x = 40,742,000,716.33/292,525.98
  6. Step 6: Final answer
    x = 139,276.52

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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.