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Finding the Fourth Proportional to 93,323.89, 128,789.97 and 52,495.09

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Solution

The fourth proportional to 93,323.89, 128,789.97 and 52,495.09 is: 72,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,323.89 : 128,789.97 = 52,495.09 : x
  2. Step 2: Convert to fraction form
    93,323.89/128,789.97 = 52,495.09/x
  3. Step 3: Cross multiply
    93,323.89x = 128,789.97 × 52,495.09
  4. Step 4: Simplify right side
    93,323.89x = 6,760,841,066.25
  5. Step 5: Solve for x
    x = 6,760,841,066.25/93,323.89
  6. Step 6: Final answer
    x = 72,444.91

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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.