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Finding the Fourth Proportional to 176,279.46, 243,447.21 and 150,981.54

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Solution

The fourth proportional to 176,279.46, 243,447.21 and 150,981.54 is: 208,510.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,279.46 : 243,447.21 = 150,981.54 : x
  2. Step 2: Convert to fraction form
    176,279.46/243,447.21 = 150,981.54/x
  3. Step 3: Cross multiply
    176,279.46x = 243,447.21 × 150,981.54
  4. Step 4: Simplify right side
    176,279.46x = 36,756,034,674.50
  5. Step 5: Solve for x
    x = 36,756,034,674.50/176,279.46
  6. Step 6: Final answer
    x = 208,510.03

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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.