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Finding the Fourth Proportional to 237,968.88, 328,401.42 and 130,544.40

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Solution

The fourth proportional to 237,968.88, 328,401.42 and 130,544.40 is: 180,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,968.88 : 328,401.42 = 130,544.40 : x
  2. Step 2: Convert to fraction form
    237,968.88/328,401.42 = 130,544.40/x
  3. Step 3: Cross multiply
    237,968.88x = 328,401.42 × 130,544.40
  4. Step 4: Simplify right side
    237,968.88x = 42,870,966,333.05
  5. Step 5: Solve for x
    x = 42,870,966,333.05/237,968.88
  6. Step 6: Final answer
    x = 180,153.67

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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.