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Finding the Fourth Proportional to 190,872.40, 286,308.60 and 167,544.40

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Solution

The fourth proportional to 190,872.40, 286,308.60 and 167,544.40 is: 251,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,872.40 : 286,308.60 = 167,544.40 : x
  2. Step 2: Convert to fraction form
    190,872.40/286,308.60 = 167,544.40/x
  3. Step 3: Cross multiply
    190,872.40x = 286,308.60 × 167,544.40
  4. Step 4: Simplify right side
    190,872.40x = 47,969,402,601.84
  5. Step 5: Solve for x
    x = 47,969,402,601.84/190,872.40
  6. Step 6: Final answer
    x = 251,316.60

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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.