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Finding the Fourth Proportional to 237,849, 328,241.55 and 130,423.16

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Solution

The fourth proportional to 237,849, 328,241.55 and 130,423.16 is: 179,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,849 : 328,241.55 = 130,423.16 : x
  2. Step 2: Convert to fraction form
    237,849/328,241.55 = 130,423.16/x
  3. Step 3: Cross multiply
    237,849x = 328,241.55 × 130,423.16
  4. Step 4: Simplify right side
    237,849x = 42,810,298,553.09
  5. Step 5: Solve for x
    x = 42,810,298,553.09/237,849
  6. Step 6: Final answer
    x = 179,989.40

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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.