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Finding the Fourth Proportional to 235,085.60, 352,858.80 and 116,890.40

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Solution

The fourth proportional to 235,085.60, 352,858.80 and 116,890.40 is: 175,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,085.60 : 352,858.80 = 116,890.40 : x
  2. Step 2: Convert to fraction form
    235,085.60/352,858.80 = 116,890.40/x
  3. Step 3: Cross multiply
    235,085.60x = 352,858.80 × 116,890.40
  4. Step 4: Simplify right side
    235,085.60x = 41,245,806,275.52
  5. Step 5: Solve for x
    x = 41,245,806,275.52/235,085.60
  6. Step 6: Final answer
    x = 175,450.16

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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.