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Finding the Fourth Proportional to 189,043.98, 260,886.59 and 108,486.24

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Solution

The fourth proportional to 189,043.98, 260,886.59 and 108,486.24 is: 149,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,043.98 : 260,886.59 = 108,486.24 : x
  2. Step 2: Convert to fraction form
    189,043.98/260,886.59 = 108,486.24/x
  3. Step 3: Cross multiply
    189,043.98x = 260,886.59 × 108,486.24
  4. Step 4: Simplify right side
    189,043.98x = 28,302,605,215.52
  5. Step 5: Solve for x
    x = 28,302,605,215.52/189,043.98
  6. Step 6: Final answer
    x = 149,714.40

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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.