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Finding the Fourth Proportional to 259,573.50, 358,211.43 and 140,341.50

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Solution

The fourth proportional to 259,573.50, 358,211.43 and 140,341.50 is: 193,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,573.50 : 358,211.43 = 140,341.50 : x
  2. Step 2: Convert to fraction form
    259,573.50/358,211.43 = 140,341.50/x
  3. Step 3: Cross multiply
    259,573.50x = 358,211.43 × 140,341.50
  4. Step 4: Simplify right side
    259,573.50x = 50,271,929,403.35
  5. Step 5: Solve for x
    x = 50,271,929,403.35/259,573.50
  6. Step 6: Final answer
    x = 193,671.27

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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.