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Finding the Fourth Proportional to 205,506.65, 283,597.98 and 114,862.46

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Solution

The fourth proportional to 205,506.65, 283,597.98 and 114,862.46 is: 158,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,506.65 : 283,597.98 = 114,862.46 : x
  2. Step 2: Convert to fraction form
    205,506.65/283,597.98 = 114,862.46/x
  3. Step 3: Cross multiply
    205,506.65x = 283,597.98 × 114,862.46
  4. Step 4: Simplify right side
    205,506.65x = 32,574,760,215.84
  5. Step 5: Solve for x
    x = 32,574,760,215.84/205,506.65
  6. Step 6: Final answer
    x = 158,509.52

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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.