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Finding the Fourth Proportional to 93,798, 129,453.60 and 53,502.54

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Solution

The fourth proportional to 93,798, 129,453.60 and 53,502.54 is: 73,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,798 : 129,453.60 = 53,502.54 : x
  2. Step 2: Convert to fraction form
    93,798/129,453.60 = 53,502.54/x
  3. Step 3: Cross multiply
    93,798x = 129,453.60 × 53,502.54
  4. Step 4: Simplify right side
    93,798x = 6,926,096,412.14
  5. Step 5: Solve for x
    x = 6,926,096,412.14/93,798
  6. Step 6: Final answer
    x = 73,840.56

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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.