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Finding the Fourth Proportional to 110,152.89, 152,010.96 and 65,440.89

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Solution

The fourth proportional to 110,152.89, 152,010.96 and 65,440.89 is: 90,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,152.89 : 152,010.96 = 65,440.89 : x
  2. Step 2: Convert to fraction form
    110,152.89/152,010.96 = 65,440.89/x
  3. Step 3: Cross multiply
    110,152.89x = 152,010.96 × 65,440.89
  4. Step 4: Simplify right side
    110,152.89x = 9,947,732,512.15
  5. Step 5: Solve for x
    x = 9,947,732,512.15/110,152.89
  6. Step 6: Final answer
    x = 90,308.41

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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.