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Finding the Fourth Proportional to 141,661.60, 212,809.20 and 118,333.60

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Solution

The fourth proportional to 141,661.60, 212,809.20 and 118,333.60 is: 177,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,661.60 : 212,809.20 = 118,333.60 : x
  2. Step 2: Convert to fraction form
    141,661.60/212,809.20 = 118,333.60/x
  3. Step 3: Cross multiply
    141,661.60x = 212,809.20 × 118,333.60
  4. Step 4: Simplify right side
    141,661.60x = 25,182,478,749.12
  5. Step 5: Solve for x
    x = 25,182,478,749.12/141,661.60
  6. Step 6: Final answer
    x = 177,765.03

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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.