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Finding the Fourth Proportional to 178,008.95, 245,919.15 and 116,900.12

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Solution

The fourth proportional to 178,008.95, 245,919.15 and 116,900.12 is: 161,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,008.95 : 245,919.15 = 116,900.12 : x
  2. Step 2: Convert to fraction form
    178,008.95/245,919.15 = 116,900.12/x
  3. Step 3: Cross multiply
    178,008.95x = 245,919.15 × 116,900.12
  4. Step 4: Simplify right side
    178,008.95x = 28,747,976,915.70
  5. Step 5: Solve for x
    x = 28,747,976,915.70/178,008.95
  6. Step 6: Final answer
    x = 161,497.37

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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.