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Finding the Fourth Proportional to 199,544.40, 299,316.60 and 160,178.40

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Solution

The fourth proportional to 199,544.40, 299,316.60 and 160,178.40 is: 240,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,544.40 : 299,316.60 = 160,178.40 : x
  2. Step 2: Convert to fraction form
    199,544.40/299,316.60 = 160,178.40/x
  3. Step 3: Cross multiply
    199,544.40x = 299,316.60 × 160,178.40
  4. Step 4: Simplify right side
    199,544.40x = 47,944,054,081.44
  5. Step 5: Solve for x
    x = 47,944,054,081.44/199,544.40
  6. Step 6: Final answer
    x = 240,267.60

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1.5x scale

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.