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Finding the Fourth Proportional to 237,191.83, 355,812.58 and 77,280.21

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Solution

The fourth proportional to 237,191.83, 355,812.58 and 77,280.21 is: 115,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,191.83 : 355,812.58 = 77,280.21 : x
  2. Step 2: Convert to fraction form
    237,191.83/355,812.58 = 77,280.21/x
  3. Step 3: Cross multiply
    237,191.83x = 355,812.58 × 77,280.21
  4. Step 4: Simplify right side
    237,191.83x = 27,497,270,903.04
  5. Step 5: Solve for x
    x = 27,497,270,903.04/237,191.83
  6. Step 6: Final answer
    x = 115,928.41

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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.