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Finding the Fourth Proportional to 199,275.12, 299,000.72 and 104,482.64

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Solution

The fourth proportional to 199,275.12, 299,000.72 and 104,482.64 is: 156,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,275.12 : 299,000.72 = 104,482.64 : x
  2. Step 2: Convert to fraction form
    199,275.12/299,000.72 = 104,482.64/x
  3. Step 3: Cross multiply
    199,275.12x = 299,000.72 × 104,482.64
  4. Step 4: Simplify right side
    199,275.12x = 31,240,384,587.50
  5. Step 5: Solve for x
    x = 31,240,384,587.50/199,275.12
  6. Step 6: Final answer
    x = 156,770.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.