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Finding the Fourth Proportional to 235,160.16, 324,524.64 and 127,730.40

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Solution

The fourth proportional to 235,160.16, 324,524.64 and 127,730.40 is: 176,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,160.16 : 324,524.64 = 127,730.40 : x
  2. Step 2: Convert to fraction form
    235,160.16/324,524.64 = 127,730.40/x
  3. Step 3: Cross multiply
    235,160.16x = 324,524.64 × 127,730.40
  4. Step 4: Simplify right side
    235,160.16x = 41,451,662,077.06
  5. Step 5: Solve for x
    x = 41,451,662,077.06/235,160.16
  6. Step 6: Final answer
    x = 176,269.92

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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.