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Finding the Fourth Proportional to 248,447.01, 342,742.23 and 146,402.76

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Solution

The fourth proportional to 248,447.01, 342,742.23 and 146,402.76 is: 201,968.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,447.01 : 342,742.23 = 146,402.76 : x
  2. Step 2: Convert to fraction form
    248,447.01/342,742.23 = 146,402.76/x
  3. Step 3: Cross multiply
    248,447.01x = 342,742.23 × 146,402.76
  4. Step 4: Simplify right side
    248,447.01x = 50,178,408,440.55
  5. Step 5: Solve for x
    x = 50,178,408,440.55/248,447.01
  6. Step 6: Final answer
    x = 201,968.25

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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.