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Finding the Fourth Proportional to 170,955.19, 256,468.43 and 52,620.67

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Solution

The fourth proportional to 170,955.19, 256,468.43 and 52,620.67 is: 78,941.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,955.19 : 256,468.43 = 52,620.67 : x
  2. Step 2: Convert to fraction form
    170,955.19/256,468.43 = 52,620.67/x
  3. Step 3: Cross multiply
    170,955.19x = 256,468.43 × 52,620.67
  4. Step 4: Simplify right side
    170,955.19x = 13,495,540,620.45
  5. Step 5: Solve for x
    x = 13,495,540,620.45/170,955.19
  6. Step 6: Final answer
    x = 78,941.98

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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.