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Finding the Fourth Proportional to 223,952.40, 335,928.60 and 99,293.40

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Solution

The fourth proportional to 223,952.40, 335,928.60 and 99,293.40 is: 148,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,952.40 : 335,928.60 = 99,293.40 : x
  2. Step 2: Convert to fraction form
    223,952.40/335,928.60 = 99,293.40/x
  3. Step 3: Cross multiply
    223,952.40x = 335,928.60 × 99,293.40
  4. Step 4: Simplify right side
    223,952.40x = 33,355,492,851.24
  5. Step 5: Solve for x
    x = 33,355,492,851.24/223,952.40
  6. Step 6: Final answer
    x = 148,940.10

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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.