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Finding the Fourth Proportional to 183,416.79, 253,160.19 and 111,836.28

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Solution

The fourth proportional to 183,416.79, 253,160.19 and 111,836.28 is: 154,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,416.79 : 253,160.19 = 111,836.28 : x
  2. Step 2: Convert to fraction form
    183,416.79/253,160.19 = 111,836.28/x
  3. Step 3: Cross multiply
    183,416.79x = 253,160.19 × 111,836.28
  4. Step 4: Simplify right side
    183,416.79x = 28,312,493,893.69
  5. Step 5: Solve for x
    x = 28,312,493,893.69/183,416.79
  6. Step 6: Final answer
    x = 154,361.52

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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.