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Finding the Fourth Proportional to 93,160.97, 128,558.27 and 52,874.00

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Solution

The fourth proportional to 93,160.97, 128,558.27 and 52,874.00 is: 72,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.97 : 128,558.27 = 52,874.00 : x
  2. Step 2: Convert to fraction form
    93,160.97/128,558.27 = 52,874.00/x
  3. Step 3: Cross multiply
    93,160.97x = 128,558.27 × 52,874.00
  4. Step 4: Simplify right side
    93,160.97x = 6,797,389,939.47
  5. Step 5: Solve for x
    x = 6,797,389,939.47/93,160.97
  6. Step 6: Final answer
    x = 72,963.93

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1.5x scale

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.