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Finding the Fourth Proportional to 93,033.60, 139,550.40 and 85,160.40

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Solution

The fourth proportional to 93,033.60, 139,550.40 and 85,160.40 is: 127,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,033.60 : 139,550.40 = 85,160.40 : x
  2. Step 2: Convert to fraction form
    93,033.60/139,550.40 = 85,160.40/x
  3. Step 3: Cross multiply
    93,033.60x = 139,550.40 × 85,160.40
  4. Step 4: Simplify right side
    93,033.60x = 11,884,167,884.16
  5. Step 5: Solve for x
    x = 11,884,167,884.16/93,033.60
  6. Step 6: Final answer
    x = 127,740.60

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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.