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Finding the Fourth Proportional to 235,159.96, 324,524.50 and 127,730.06

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Solution

The fourth proportional to 235,159.96, 324,524.50 and 127,730.06 is: 176,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,159.96 : 324,524.50 = 127,730.06 : x
  2. Step 2: Convert to fraction form
    235,159.96/324,524.50 = 127,730.06/x
  3. Step 3: Cross multiply
    235,159.96x = 324,524.50 × 127,730.06
  4. Step 4: Simplify right side
    235,159.96x = 41,451,533,856.47
  5. Step 5: Solve for x
    x = 41,451,533,856.47/235,159.96
  6. Step 6: Final answer
    x = 176,269.52

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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.