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Finding the Fourth Proportional to 169,440.40, 254,411.70 and 94,709.80

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Solution

The fourth proportional to 169,440.40, 254,411.70 and 94,709.80 is: 142,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,440.40 : 254,411.70 = 94,709.80 : x
  2. Step 2: Convert to fraction form
    169,440.40/254,411.70 = 94,709.80/x
  3. Step 3: Cross multiply
    169,440.40x = 254,411.70 × 94,709.80
  4. Step 4: Simplify right side
    169,440.40x = 24,095,281,224.66
  5. Step 5: Solve for x
    x = 24,095,281,224.66/169,440.40
  6. Step 6: Final answer
    x = 142,205.05

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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.