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Finding the Fourth Proportional to 186,872.40, 280,308.60 and 177,030.90

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Solution

The fourth proportional to 186,872.40, 280,308.60 and 177,030.90 is: 265,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,872.40 : 280,308.60 = 177,030.90 : x
  2. Step 2: Convert to fraction form
    186,872.40/280,308.60 = 177,030.90/x
  3. Step 3: Cross multiply
    186,872.40x = 280,308.60 × 177,030.90
  4. Step 4: Simplify right side
    186,872.40x = 49,623,283,735.74
  5. Step 5: Solve for x
    x = 49,623,283,735.74/186,872.40
  6. Step 6: Final answer
    x = 265,546.35

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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.