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Finding the Fourth Proportional to 183,895.80, 253,776.42 and 103,323.28

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Solution

The fourth proportional to 183,895.80, 253,776.42 and 103,323.28 is: 142,586.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,895.80 : 253,776.42 = 103,323.28 : x
  2. Step 2: Convert to fraction form
    183,895.80/253,776.42 = 103,323.28/x
  3. Step 3: Cross multiply
    183,895.80x = 253,776.42 × 103,323.28
  4. Step 4: Simplify right side
    183,895.80x = 26,221,012,101.06
  5. Step 5: Solve for x
    x = 26,221,012,101.06/183,895.80
  6. Step 6: Final answer
    x = 142,586.25

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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.