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Finding the Fourth Proportional to 93,326.94, 139,938.48 and 55,391.63

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Solution

The fourth proportional to 93,326.94, 139,938.48 and 55,391.63 is: 83,056.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,326.94 : 139,938.48 = 55,391.63 : x
  2. Step 2: Convert to fraction form
    93,326.94/139,938.48 = 55,391.63/x
  3. Step 3: Cross multiply
    93,326.94x = 139,938.48 × 55,391.63
  4. Step 4: Simplify right side
    93,326.94x = 7,751,419,807.23
  5. Step 5: Solve for x
    x = 7,751,419,807.23/93,326.94
  6. Step 6: Final answer
    x = 83,056.62

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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.