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Finding the Fourth Proportional to 213,560.55, 294,700.92 and 118,061.55

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Solution

The fourth proportional to 213,560.55, 294,700.92 and 118,061.55 is: 162,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,560.55 : 294,700.92 = 118,061.55 : x
  2. Step 2: Convert to fraction form
    213,560.55/294,700.92 = 118,061.55/x
  3. Step 3: Cross multiply
    213,560.55x = 294,700.92 × 118,061.55
  4. Step 4: Simplify right side
    213,560.55x = 34,792,847,401.63
  5. Step 5: Solve for x
    x = 34,792,847,401.63/213,560.55
  6. Step 6: Final answer
    x = 162,917.95

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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.