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Finding the Fourth Proportional to 169,627.40, 254,441.10 and 98,768.60

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Solution

The fourth proportional to 169,627.40, 254,441.10 and 98,768.60 is: 148,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.40 : 254,441.10 = 98,768.60 : x
  2. Step 2: Convert to fraction form
    169,627.40/254,441.10 = 98,768.60/x
  3. Step 3: Cross multiply
    169,627.40x = 254,441.10 × 98,768.60
  4. Step 4: Simplify right side
    169,627.40x = 25,130,791,229.46
  5. Step 5: Solve for x
    x = 25,130,791,229.46/169,627.40
  6. Step 6: Final answer
    x = 148,152.90

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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.