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Finding the Fourth Proportional to 169,360.80, 254,041.20 and 141,804.60

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Solution

The fourth proportional to 169,360.80, 254,041.20 and 141,804.60 is: 212,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,360.80 : 254,041.20 = 141,804.60 : x
  2. Step 2: Convert to fraction form
    169,360.80/254,041.20 = 141,804.60/x
  3. Step 3: Cross multiply
    169,360.80x = 254,041.20 × 141,804.60
  4. Step 4: Simplify right side
    169,360.80x = 36,024,210,749.52
  5. Step 5: Solve for x
    x = 36,024,210,749.52/169,360.80
  6. Step 6: Final answer
    x = 212,706.90

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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.