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Finding the Fourth Proportional to 93,557.44, 128,957.61 and 73,103.77

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Solution

The fourth proportional to 93,557.44, 128,957.61 and 73,103.77 is: 100,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,557.44 : 128,957.61 = 73,103.77 : x
  2. Step 2: Convert to fraction form
    93,557.44/128,957.61 = 73,103.77/x
  3. Step 3: Cross multiply
    93,557.44x = 128,957.61 × 73,103.77
  4. Step 4: Simplify right side
    93,557.44x = 9,427,287,461.19
  5. Step 5: Solve for x
    x = 9,427,287,461.19/93,557.44
  6. Step 6: Final answer
    x = 100,764.70

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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.