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Finding the Fourth Proportional to 186,671.04, 278,816.70 and 168,874.44

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Solution

The fourth proportional to 186,671.04, 278,816.70 and 168,874.44 is: 252,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,671.04 : 278,816.70 = 168,874.44 : x
  2. Step 2: Convert to fraction form
    186,671.04/278,816.70 = 168,874.44/x
  3. Step 3: Cross multiply
    186,671.04x = 278,816.70 × 168,874.44
  4. Step 4: Simplify right side
    186,671.04x = 47,085,014,075.15
  5. Step 5: Solve for x
    x = 47,085,014,075.15/186,671.04
  6. Step 6: Final answer
    x = 252,235.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.