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Finding the Fourth Proportional to 141,352.63, 195,063.32 and 76,820.33

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Solution

The fourth proportional to 141,352.63, 195,063.32 and 76,820.33 is: 106,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,352.63 : 195,063.32 = 76,820.33 : x
  2. Step 2: Convert to fraction form
    141,352.63/195,063.32 = 76,820.33/x
  3. Step 3: Cross multiply
    141,352.63x = 195,063.32 × 76,820.33
  4. Step 4: Simplify right side
    141,352.63x = 14,984,829,293.00
  5. Step 5: Solve for x
    x = 14,984,829,293.00/141,352.63
  6. Step 6: Final answer
    x = 106,010.26

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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.