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Finding the Fourth Proportional to 93,457.00, 128,969.01 and 53,169.90

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Solution

The fourth proportional to 93,457.00, 128,969.01 and 53,169.90 is: 73,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,457.00 : 128,969.01 = 53,169.90 : x
  2. Step 2: Convert to fraction form
    93,457.00/128,969.01 = 53,169.90/x
  3. Step 3: Cross multiply
    93,457.00x = 128,969.01 × 53,169.90
  4. Step 4: Simplify right side
    93,457.00x = 6,857,269,502.80
  5. Step 5: Solve for x
    x = 6,857,269,502.80/93,457.00
  6. Step 6: Final answer
    x = 73,373.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.