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Finding the Fourth Proportional to 292,158.44, 439,008.25 and 157,322.19

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Solution

The fourth proportional to 292,158.44, 439,008.25 and 157,322.19 is: 236,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,158.44 : 439,008.25 = 157,322.19 : x
  2. Step 2: Convert to fraction form
    292,158.44/439,008.25 = 157,322.19/x
  3. Step 3: Cross multiply
    292,158.44x = 439,008.25 × 157,322.19
  4. Step 4: Simplify right side
    292,158.44x = 69,065,738,924.76
  5. Step 5: Solve for x
    x = 69,065,738,924.76/292,158.44
  6. Step 6: Final answer
    x = 236,398.24

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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.