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Finding the Fourth Proportional to 153,374.40, 230,061.60 and 130,046.40

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Solution

The fourth proportional to 153,374.40, 230,061.60 and 130,046.40 is: 195,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,374.40 : 230,061.60 = 130,046.40 : x
  2. Step 2: Convert to fraction form
    153,374.40/230,061.60 = 130,046.40/x
  3. Step 3: Cross multiply
    153,374.40x = 230,061.60 × 130,046.40
  4. Step 4: Simplify right side
    153,374.40x = 29,918,682,858.24
  5. Step 5: Solve for x
    x = 29,918,682,858.24/153,374.40
  6. Step 6: Final answer
    x = 195,069.60

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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.