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Finding the Fourth Proportional to 251,801.57, 377,702.40 and 83,276.67

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Solution

The fourth proportional to 251,801.57, 377,702.40 and 83,276.67 is: 124,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,801.57 : 377,702.40 = 83,276.67 : x
  2. Step 2: Convert to fraction form
    251,801.57/377,702.40 = 83,276.67/x
  3. Step 3: Cross multiply
    251,801.57x = 377,702.40 × 83,276.67
  4. Step 4: Simplify right side
    251,801.57x = 31,453,798,123.01
  5. Step 5: Solve for x
    x = 31,453,798,123.01/251,801.57
  6. Step 6: Final answer
    x = 124,915.02

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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.