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Finding the Fourth Proportional to 93,353.88, 128,823.26 and 53,062.06

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Solution

The fourth proportional to 93,353.88, 128,823.26 and 53,062.06 is: 73,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,353.88 : 128,823.26 = 53,062.06 : x
  2. Step 2: Convert to fraction form
    93,353.88/128,823.26 = 53,062.06/x
  3. Step 3: Cross multiply
    93,353.88x = 128,823.26 × 53,062.06
  4. Step 4: Simplify right side
    93,353.88x = 6,835,627,551.52
  5. Step 5: Solve for x
    x = 6,835,627,551.52/93,353.88
  6. Step 6: Final answer
    x = 73,222.75

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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.