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Finding the Fourth Proportional to 93,367.08, 128,835.36 and 53,080.92

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Solution

The fourth proportional to 93,367.08, 128,835.36 and 53,080.92 is: 73,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,367.08 : 128,835.36 = 53,080.92 : x
  2. Step 2: Convert to fraction form
    93,367.08/128,835.36 = 53,080.92/x
  3. Step 3: Cross multiply
    93,367.08x = 128,835.36 × 53,080.92
  4. Step 4: Simplify right side
    93,367.08x = 6,838,699,437.33
  5. Step 5: Solve for x
    x = 6,838,699,437.33/93,367.08
  6. Step 6: Final answer
    x = 73,245.30

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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.