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Finding the Fourth Proportional to 204,482.66, 282,192.30 and 111,354.53

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Solution

The fourth proportional to 204,482.66, 282,192.30 and 111,354.53 is: 153,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,482.66 : 282,192.30 = 111,354.53 : x
  2. Step 2: Convert to fraction form
    204,482.66/282,192.30 = 111,354.53/x
  3. Step 3: Cross multiply
    204,482.66x = 282,192.30 × 111,354.53
  4. Step 4: Simplify right side
    204,482.66x = 31,423,389,525.16
  5. Step 5: Solve for x
    x = 31,423,389,525.16/204,482.66
  6. Step 6: Final answer
    x = 153,672.64

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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.