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Finding the Fourth Proportional to 235,099.80, 352,649.70 and 146,307.60

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Solution

The fourth proportional to 235,099.80, 352,649.70 and 146,307.60 is: 219,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,099.80 : 352,649.70 = 146,307.60 : x
  2. Step 2: Convert to fraction form
    235,099.80/352,649.70 = 146,307.60/x
  3. Step 3: Cross multiply
    235,099.80x = 352,649.70 × 146,307.60
  4. Step 4: Simplify right side
    235,099.80x = 51,595,331,247.72
  5. Step 5: Solve for x
    x = 51,595,331,247.72/235,099.80
  6. Step 6: Final answer
    x = 219,461.40

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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.