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Finding the Fourth Proportional to 183,482.88, 253,278.40 and 123,031.44

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Solution

The fourth proportional to 183,482.88, 253,278.40 and 123,031.44 is: 169,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,482.88 : 253,278.40 = 123,031.44 : x
  2. Step 2: Convert to fraction form
    183,482.88/253,278.40 = 123,031.44/x
  3. Step 3: Cross multiply
    183,482.88x = 253,278.40 × 123,031.44
  4. Step 4: Simplify right side
    183,482.88x = 31,161,206,272.90
  5. Step 5: Solve for x
    x = 31,161,206,272.90/183,482.88
  6. Step 6: Final answer
    x = 169,831.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.