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Finding the Fourth Proportional to 248,187.72, 372,281.58 and 148,376.46

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Solution

The fourth proportional to 248,187.72, 372,281.58 and 148,376.46 is: 222,564.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,187.72 : 372,281.58 = 148,376.46 : x
  2. Step 2: Convert to fraction form
    248,187.72/372,281.58 = 148,376.46/x
  3. Step 3: Cross multiply
    248,187.72x = 372,281.58 × 148,376.46
  4. Step 4: Simplify right side
    248,187.72x = 55,237,822,963.61
  5. Step 5: Solve for x
    x = 55,237,822,963.61/248,187.72
  6. Step 6: Final answer
    x = 222,564.69

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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.