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Finding the Fourth Proportional to 153,576.54, 230,363.88 and 39,724.35

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Solution

The fourth proportional to 153,576.54, 230,363.88 and 39,724.35 is: 59,586.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,576.54 : 230,363.88 = 39,724.35 : x
  2. Step 2: Convert to fraction form
    153,576.54/230,363.88 = 39,724.35/x
  3. Step 3: Cross multiply
    153,576.54x = 230,363.88 × 39,724.35
  4. Step 4: Simplify right side
    153,576.54x = 9,151,055,396.48
  5. Step 5: Solve for x
    x = 9,151,055,396.48/153,576.54
  6. Step 6: Final answer
    x = 59,586.28

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1.5x scale

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.