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Finding the Fourth Proportional to 153,975.60, 230,963.40 and 104,079.60

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Solution

The fourth proportional to 153,975.60, 230,963.40 and 104,079.60 is: 156,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,975.60 : 230,963.40 = 104,079.60 : x
  2. Step 2: Convert to fraction form
    153,975.60/230,963.40 = 104,079.60/x
  3. Step 3: Cross multiply
    153,975.60x = 230,963.40 × 104,079.60
  4. Step 4: Simplify right side
    153,975.60x = 24,038,578,286.64
  5. Step 5: Solve for x
    x = 24,038,578,286.64/153,975.60
  6. Step 6: Final answer
    x = 156,119.40

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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.