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Finding the Fourth Proportional to 224,315.56, 309,544.54 and 133,669.51

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Solution

The fourth proportional to 224,315.56, 309,544.54 and 133,669.51 is: 184,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,315.56 : 309,544.54 = 133,669.51 : x
  2. Step 2: Convert to fraction form
    224,315.56/309,544.54 = 133,669.51/x
  3. Step 3: Cross multiply
    224,315.56x = 309,544.54 × 133,669.51
  4. Step 4: Simplify right side
    224,315.56x = 41,376,666,984.98
  5. Step 5: Solve for x
    x = 41,376,666,984.98/224,315.56
  6. Step 6: Final answer
    x = 184,457.41

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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.