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Finding the Fourth Proportional to 105,730.52, 158,595.78 and 26,845.16

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Solution

The fourth proportional to 105,730.52, 158,595.78 and 26,845.16 is: 40,267.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,730.52 : 158,595.78 = 26,845.16 : x
  2. Step 2: Convert to fraction form
    105,730.52/158,595.78 = 26,845.16/x
  3. Step 3: Cross multiply
    105,730.52x = 158,595.78 × 26,845.16
  4. Step 4: Simplify right side
    105,730.52x = 4,257,529,089.42
  5. Step 5: Solve for x
    x = 4,257,529,089.42/105,730.52
  6. Step 6: Final answer
    x = 40,267.74

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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.