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Finding the Fourth Proportional to 239,132.40, 358,698.60 and 164,482.80

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Solution

The fourth proportional to 239,132.40, 358,698.60 and 164,482.80 is: 246,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,132.40 : 358,698.60 = 164,482.80 : x
  2. Step 2: Convert to fraction form
    239,132.40/358,698.60 = 164,482.80/x
  3. Step 3: Cross multiply
    239,132.40x = 358,698.60 × 164,482.80
  4. Step 4: Simplify right side
    239,132.40x = 58,999,750,084.08
  5. Step 5: Solve for x
    x = 58,999,750,084.08/239,132.40
  6. Step 6: Final answer
    x = 246,724.20

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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.