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Finding the Fourth Proportional to 178,622.76, 246,490.50 and 103,166.76

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Solution

The fourth proportional to 178,622.76, 246,490.50 and 103,166.76 is: 142,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,622.76 : 246,490.50 = 103,166.76 : x
  2. Step 2: Convert to fraction form
    178,622.76/246,490.50 = 103,166.76/x
  3. Step 3: Cross multiply
    178,622.76x = 246,490.50 × 103,166.76
  4. Step 4: Simplify right side
    178,622.76x = 25,429,626,255.78
  5. Step 5: Solve for x
    x = 25,429,626,255.78/178,622.76
  6. Step 6: Final answer
    x = 142,364.98

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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.