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Finding the Fourth Proportional to 235,673.70, 325,232.73 and 128,246.64

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Solution

The fourth proportional to 235,673.70, 325,232.73 and 128,246.64 is: 176,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,673.70 : 325,232.73 = 128,246.64 : x
  2. Step 2: Convert to fraction form
    235,673.70/325,232.73 = 128,246.64/x
  3. Step 3: Cross multiply
    235,673.70x = 325,232.73 × 128,246.64
  4. Step 4: Simplify right side
    235,673.70x = 41,710,004,840.53
  5. Step 5: Solve for x
    x = 41,710,004,840.53/235,673.70
  6. Step 6: Final answer
    x = 176,982.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.