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Finding the Fourth Proportional to 100,536.58, 150,804.76 and 25,656.72

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Solution

The fourth proportional to 100,536.58, 150,804.76 and 25,656.72 is: 38,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,536.58 : 150,804.76 = 25,656.72 : x
  2. Step 2: Convert to fraction form
    100,536.58/150,804.76 = 25,656.72/x
  3. Step 3: Cross multiply
    100,536.58x = 150,804.76 × 25,656.72
  4. Step 4: Simplify right side
    100,536.58x = 3,869,155,501.99
  5. Step 5: Solve for x
    x = 3,869,155,501.99/100,536.58
  6. Step 6: Final answer
    x = 38,485.05

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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.