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Finding the Fourth Proportional to 116,613.80, 174,920.70 and 93,285.80

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Solution

The fourth proportional to 116,613.80, 174,920.70 and 93,285.80 is: 139,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,613.80 : 174,920.70 = 93,285.80 : x
  2. Step 2: Convert to fraction form
    116,613.80/174,920.70 = 93,285.80/x
  3. Step 3: Cross multiply
    116,613.80x = 174,920.70 × 93,285.80
  4. Step 4: Simplify right side
    116,613.80x = 16,317,617,436.06
  5. Step 5: Solve for x
    x = 16,317,617,436.06/116,613.80
  6. Step 6: Final answer
    x = 139,928.70

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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.