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Finding the Fourth Proportional to 245,900.88, 338,935.32 and 174,188.88

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Solution

The fourth proportional to 245,900.88, 338,935.32 and 174,188.88 is: 240,091.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,900.88 : 338,935.32 = 174,188.88 : x
  2. Step 2: Convert to fraction form
    245,900.88/338,935.32 = 174,188.88/x
  3. Step 3: Cross multiply
    245,900.88x = 338,935.32 × 174,188.88
  4. Step 4: Simplify right side
    245,900.88x = 59,038,763,783.24
  5. Step 5: Solve for x
    x = 59,038,763,783.24/245,900.88
  6. Step 6: Final answer
    x = 240,091.71

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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.