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Finding the Fourth Proportional to 93,313.60, 139,970.40 and 46,657.60

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Solution

The fourth proportional to 93,313.60, 139,970.40 and 46,657.60 is: 69,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313.60 : 139,970.40 = 46,657.60 : x
  2. Step 2: Convert to fraction form
    93,313.60/139,970.40 = 46,657.60/x
  3. Step 3: Cross multiply
    93,313.60x = 139,970.40 × 46,657.60
  4. Step 4: Simplify right side
    93,313.60x = 6,530,682,935.04
  5. Step 5: Solve for x
    x = 6,530,682,935.04/93,313.60
  6. Step 6: Final answer
    x = 69,986.40

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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.