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Finding the Fourth Proportional to 189,094.60, 260,948.23 and 104,209.84

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Solution

The fourth proportional to 189,094.60, 260,948.23 and 104,209.84 is: 143,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,094.60 : 260,948.23 = 104,209.84 : x
  2. Step 2: Convert to fraction form
    189,094.60/260,948.23 = 104,209.84/x
  3. Step 3: Cross multiply
    189,094.60x = 260,948.23 × 104,209.84
  4. Step 4: Simplify right side
    189,094.60x = 27,193,373,296.58
  5. Step 5: Solve for x
    x = 27,193,373,296.58/189,094.60
  6. Step 6: Final answer
    x = 143,808.30

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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.