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Finding the Fourth Proportional to 183,516.57, 253,106.78 and 151,630.11

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Solution

The fourth proportional to 183,516.57, 253,106.78 and 151,630.11 is: 209,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,516.57 : 253,106.78 = 151,630.11 : x
  2. Step 2: Convert to fraction form
    183,516.57/253,106.78 = 151,630.11/x
  3. Step 3: Cross multiply
    183,516.57x = 253,106.78 × 151,630.11
  4. Step 4: Simplify right side
    183,516.57x = 38,378,608,135.00
  5. Step 5: Solve for x
    x = 38,378,608,135.00/183,516.57
  6. Step 6: Final answer
    x = 209,128.84

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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.