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Finding the Fourth Proportional to 196,632.84, 295,244.64 and 112,488

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Solution

The fourth proportional to 196,632.84, 295,244.64 and 112,488 is: 168,900.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,632.84 : 295,244.64 = 112,488 : x
  2. Step 2: Convert to fraction form
    196,632.84/295,244.64 = 112,488/x
  3. Step 3: Cross multiply
    196,632.84x = 295,244.64 × 112,488
  4. Step 4: Simplify right side
    196,632.84x = 33,211,479,064.32
  5. Step 5: Solve for x
    x = 33,211,479,064.32/196,632.84
  6. Step 6: Final answer
    x = 168,900.98

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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.