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Finding the Fourth Proportional to 248,066.69, 342,290.53 and 146,112.45

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Solution

The fourth proportional to 248,066.69, 342,290.53 and 146,112.45 is: 201,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,066.69 : 342,290.53 = 146,112.45 : x
  2. Step 2: Convert to fraction form
    248,066.69/342,290.53 = 146,112.45/x
  3. Step 3: Cross multiply
    248,066.69x = 342,290.53 × 146,112.45
  4. Step 4: Simplify right side
    248,066.69x = 50,012,905,508.08
  5. Step 5: Solve for x
    x = 50,012,905,508.08/248,066.69
  6. Step 6: Final answer
    x = 201,610.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.