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Finding the Fourth Proportional to 93,473.32, 129,004.52 and 53,196.88

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Solution

The fourth proportional to 93,473.32, 129,004.52 and 53,196.88 is: 73,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,473.32 : 129,004.52 = 53,196.88 : x
  2. Step 2: Convert to fraction form
    93,473.32/129,004.52 = 53,196.88/x
  3. Step 3: Cross multiply
    93,473.32x = 129,004.52 × 53,196.88
  4. Step 4: Simplify right side
    93,473.32x = 6,862,637,969.90
  5. Step 5: Solve for x
    x = 6,862,637,969.90/93,473.32
  6. Step 6: Final answer
    x = 73,418.15

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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.