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Finding the Fourth Proportional to 183,765.80, 253,624.28 and 112,187.45

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Solution

The fourth proportional to 183,765.80, 253,624.28 and 112,187.45 is: 154,835.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,765.80 : 253,624.28 = 112,187.45 : x
  2. Step 2: Convert to fraction form
    183,765.80/253,624.28 = 112,187.45/x
  3. Step 3: Cross multiply
    183,765.80x = 253,624.28 × 112,187.45
  4. Step 4: Simplify right side
    183,765.80x = 28,453,461,231.29
  5. Step 5: Solve for x
    x = 28,453,461,231.29/183,765.80
  6. Step 6: Final answer
    x = 154,835.45

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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.