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Finding the Fourth Proportional to 292,555.01, 438,847.70 and 92,891.03

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Solution

The fourth proportional to 292,555.01, 438,847.70 and 92,891.03 is: 139,341.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,555.01 : 438,847.70 = 92,891.03 : x
  2. Step 2: Convert to fraction form
    292,555.01/438,847.70 = 92,891.03/x
  3. Step 3: Cross multiply
    292,555.01x = 438,847.70 × 92,891.03
  4. Step 4: Simplify right side
    292,555.01x = 40,765,012,904.12
  5. Step 5: Solve for x
    x = 40,765,012,904.12/292,555.01
  6. Step 6: Final answer
    x = 139,341.36

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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.