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Finding the Fourth Proportional to 237,787.45, 328,142.45 and 130,358.37

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Solution

The fourth proportional to 237,787.45, 328,142.45 and 130,358.37 is: 179,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,787.45 : 328,142.45 = 130,358.37 : x
  2. Step 2: Convert to fraction form
    237,787.45/328,142.45 = 130,358.37/x
  3. Step 3: Cross multiply
    237,787.45x = 328,142.45 × 130,358.37
  4. Step 4: Simplify right side
    237,787.45x = 42,776,114,909.81
  5. Step 5: Solve for x
    x = 42,776,114,909.81/237,787.45
  6. Step 6: Final answer
    x = 179,892.23

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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.