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Finding the Fourth Proportional to 230,830.70, 346,246.05 and 125,854.70

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Solution

The fourth proportional to 230,830.70, 346,246.05 and 125,854.70 is: 188,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,830.70 : 346,246.05 = 125,854.70 : x
  2. Step 2: Convert to fraction form
    230,830.70/346,246.05 = 125,854.70/x
  3. Step 3: Cross multiply
    230,830.70x = 346,246.05 × 125,854.70
  4. Step 4: Simplify right side
    230,830.70x = 43,576,692,748.94
  5. Step 5: Solve for x
    x = 43,576,692,748.94/230,830.70
  6. Step 6: Final answer
    x = 188,782.05

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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.