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Finding the Fourth Proportional to 237,201.10, 355,801.21 and 77,276.85

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Solution

The fourth proportional to 237,201.10, 355,801.21 and 77,276.85 is: 115,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,201.10 : 355,801.21 = 77,276.85 : x
  2. Step 2: Convert to fraction form
    237,201.10/355,801.21 = 77,276.85/x
  3. Step 3: Cross multiply
    237,201.10x = 355,801.21 × 77,276.85
  4. Step 4: Simplify right side
    237,201.10x = 27,495,194,955.98
  5. Step 5: Solve for x
    x = 27,495,194,955.98/237,201.10
  6. Step 6: Final answer
    x = 115,915.12

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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.