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Finding the Fourth Proportional to 178,115.99, 245,800.85 and 97,544.07

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Solution

The fourth proportional to 178,115.99, 245,800.85 and 97,544.07 is: 134,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,115.99 : 245,800.85 = 97,544.07 : x
  2. Step 2: Convert to fraction form
    178,115.99/245,800.85 = 97,544.07/x
  3. Step 3: Cross multiply
    178,115.99x = 245,800.85 × 97,544.07
  4. Step 4: Simplify right side
    178,115.99x = 23,976,414,830.74
  5. Step 5: Solve for x
    x = 23,976,414,830.74/178,115.99
  6. Step 6: Final answer
    x = 134,611.25

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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.