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Finding the Fourth Proportional to 183,807.85, 253,655.84 and 103,235.38

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Solution

The fourth proportional to 183,807.85, 253,655.84 and 103,235.38 is: 142,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,807.85 : 253,655.84 = 103,235.38 : x
  2. Step 2: Convert to fraction form
    183,807.85/253,655.84 = 103,235.38/x
  3. Step 3: Cross multiply
    183,807.85x = 253,655.84 × 103,235.38
  4. Step 4: Simplify right side
    183,807.85x = 26,186,257,031.62
  5. Step 5: Solve for x
    x = 26,186,257,031.62/183,807.85
  6. Step 6: Final answer
    x = 142,465.39

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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.