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Finding the Fourth Proportional to 199,282.60, 298,923.90 and 152,043.40

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Solution

The fourth proportional to 199,282.60, 298,923.90 and 152,043.40 is: 228,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,282.60 : 298,923.90 = 152,043.40 : x
  2. Step 2: Convert to fraction form
    199,282.60/298,923.90 = 152,043.40/x
  3. Step 3: Cross multiply
    199,282.60x = 298,923.90 × 152,043.40
  4. Step 4: Simplify right side
    199,282.60x = 45,449,406,097.26
  5. Step 5: Solve for x
    x = 45,449,406,097.26/199,282.60
  6. Step 6: Final answer
    x = 228,065.10

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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.