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Finding the Fourth Proportional to 185,343.50, 255,774.58 and 100,460.90

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Solution

The fourth proportional to 185,343.50, 255,774.58 and 100,460.90 is: 138,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,343.50 : 255,774.58 = 100,460.90 : x
  2. Step 2: Convert to fraction form
    185,343.50/255,774.58 = 100,460.90/x
  3. Step 3: Cross multiply
    185,343.50x = 255,774.58 × 100,460.90
  4. Step 4: Simplify right side
    185,343.50x = 25,695,344,503.92
  5. Step 5: Solve for x
    x = 25,695,344,503.92/185,343.50
  6. Step 6: Final answer
    x = 138,636.34

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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.