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Finding the Fourth Proportional to 160,384.44, 240,598.98 and 66,868.68

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Solution

The fourth proportional to 160,384.44, 240,598.98 and 66,868.68 is: 100,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,384.44 : 240,598.98 = 66,868.68 : x
  2. Step 2: Convert to fraction form
    160,384.44/240,598.98 = 66,868.68/x
  3. Step 3: Cross multiply
    160,384.44x = 240,598.98 × 66,868.68
  4. Step 4: Simplify right side
    160,384.44x = 16,088,536,201.95
  5. Step 5: Solve for x
    x = 16,088,536,201.95/160,384.44
  6. Step 6: Final answer
    x = 100,312.33

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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.