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Finding the Fourth Proportional to 183,777.80, 253,640.84 and 112,199.45

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Solution

The fourth proportional to 183,777.80, 253,640.84 and 112,199.45 is: 154,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,777.80 : 253,640.84 = 112,199.45 : x
  2. Step 2: Convert to fraction form
    183,777.80/253,640.84 = 112,199.45/x
  3. Step 3: Cross multiply
    183,777.80x = 253,640.84 × 112,199.45
  4. Step 4: Simplify right side
    183,777.80x = 28,458,360,916.34
  5. Step 5: Solve for x
    x = 28,458,360,916.34/183,777.80
  6. Step 6: Final answer
    x = 154,852.01

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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.