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Finding the Fourth Proportional to 248,465.64, 342,884.70 and 141,035.88

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Solution

The fourth proportional to 248,465.64, 342,884.70 and 141,035.88 is: 194,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,465.64 : 342,884.70 = 141,035.88 : x
  2. Step 2: Convert to fraction form
    248,465.64/342,884.70 = 141,035.88/x
  3. Step 3: Cross multiply
    248,465.64x = 342,884.70 × 141,035.88
  4. Step 4: Simplify right side
    248,465.64x = 48,359,045,403.04
  5. Step 5: Solve for x
    x = 48,359,045,403.04/248,465.64
  6. Step 6: Final answer
    x = 194,630.72

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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.