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Finding the Fourth Proportional to 188,465.46, 260,075.19 and 107,900.47

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Solution

The fourth proportional to 188,465.46, 260,075.19 and 107,900.47 is: 148,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,465.46 : 260,075.19 = 107,900.47 : x
  2. Step 2: Convert to fraction form
    188,465.46/260,075.19 = 107,900.47/x
  3. Step 3: Cross multiply
    188,465.46x = 260,075.19 × 107,900.47
  4. Step 4: Simplify right side
    188,465.46x = 28,062,235,236.34
  5. Step 5: Solve for x
    x = 28,062,235,236.34/188,465.46
  6. Step 6: Final answer
    x = 148,898.56

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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.