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Finding the Fourth Proportional to 199,667.68, 275,547.08 and 109,029.40

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Solution

The fourth proportional to 199,667.68, 275,547.08 and 109,029.40 is: 150,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,667.68 : 275,547.08 = 109,029.40 : x
  2. Step 2: Convert to fraction form
    199,667.68/275,547.08 = 109,029.40/x
  3. Step 3: Cross multiply
    199,667.68x = 275,547.08 × 109,029.40
  4. Step 4: Simplify right side
    199,667.68x = 30,042,732,804.15
  5. Step 5: Solve for x
    x = 30,042,732,804.15/199,667.68
  6. Step 6: Final answer
    x = 150,463.67

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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.