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Finding the Fourth Proportional to 243,804.06, 336,477.51 and 136,401.30

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Solution

The fourth proportional to 243,804.06, 336,477.51 and 136,401.30 is: 188,249.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,804.06 : 336,477.51 = 136,401.30 : x
  2. Step 2: Convert to fraction form
    243,804.06/336,477.51 = 136,401.30/x
  3. Step 3: Cross multiply
    243,804.06x = 336,477.51 × 136,401.30
  4. Step 4: Simplify right side
    243,804.06x = 45,895,969,784.76
  5. Step 5: Solve for x
    x = 45,895,969,784.76/243,804.06
  6. Step 6: Final answer
    x = 188,249.41

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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.