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Finding the Fourth Proportional to 235,115.40, 352,673.10 and 164,256.60

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Solution

The fourth proportional to 235,115.40, 352,673.10 and 164,256.60 is: 246,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,115.40 : 352,673.10 = 164,256.60 : x
  2. Step 2: Convert to fraction form
    235,115.40/352,673.10 = 164,256.60/x
  3. Step 3: Cross multiply
    235,115.40x = 352,673.10 × 164,256.60
  4. Step 4: Simplify right side
    235,115.40x = 57,928,884,317.46
  5. Step 5: Solve for x
    x = 57,928,884,317.46/235,115.40
  6. Step 6: Final answer
    x = 246,384.90

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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.