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Finding the Fourth Proportional to 183,115.60, 274,673.40 and 112,256.80

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Solution

The fourth proportional to 183,115.60, 274,673.40 and 112,256.80 is: 168,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,115.60 : 274,673.40 = 112,256.80 : x
  2. Step 2: Convert to fraction form
    183,115.60/274,673.40 = 112,256.80/x
  3. Step 3: Cross multiply
    183,115.60x = 274,673.40 × 112,256.80
  4. Step 4: Simplify right side
    183,115.60x = 30,833,956,929.12
  5. Step 5: Solve for x
    x = 30,833,956,929.12/183,115.60
  6. Step 6: Final answer
    x = 168,385.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.