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Finding the Fourth Proportional to 93,554.22, 129,104.95 and 53,268

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Solution

The fourth proportional to 93,554.22, 129,104.95 and 53,268 is: 73,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,554.22 : 129,104.95 = 53,268 : x
  2. Step 2: Convert to fraction form
    93,554.22/129,104.95 = 53,268/x
  3. Step 3: Cross multiply
    93,554.22x = 129,104.95 × 53,268
  4. Step 4: Simplify right side
    93,554.22x = 6,877,162,476.60
  5. Step 5: Solve for x
    x = 6,877,162,476.60/93,554.22
  6. Step 6: Final answer
    x = 73,509.91

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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.