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Finding the Fourth Proportional to 93,296.46, 128,746.35 and 53,013.90

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Solution

The fourth proportional to 93,296.46, 128,746.35 and 53,013.90 is: 73,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,296.46 : 128,746.35 = 53,013.90 : x
  2. Step 2: Convert to fraction form
    93,296.46/128,746.35 = 53,013.90/x
  3. Step 3: Cross multiply
    93,296.46x = 128,746.35 × 53,013.90
  4. Step 4: Simplify right side
    93,296.46x = 6,825,346,124.27
  5. Step 5: Solve for x
    x = 6,825,346,124.27/93,296.46
  6. Step 6: Final answer
    x = 73,157.61

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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.