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Finding the Fourth Proportional to 196,367.51, 270,985.46 and 119,870.51

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Solution

The fourth proportional to 196,367.51, 270,985.46 and 119,870.51 is: 165,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,367.51 : 270,985.46 = 119,870.51 : x
  2. Step 2: Convert to fraction form
    196,367.51/270,985.46 = 119,870.51/x
  3. Step 3: Cross multiply
    196,367.51x = 270,985.46 × 119,870.51
  4. Step 4: Simplify right side
    196,367.51x = 32,483,163,338.50
  5. Step 5: Solve for x
    x = 32,483,163,338.50/196,367.51
  6. Step 6: Final answer
    x = 165,420.25

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1.5x scale

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.