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Finding the Fourth Proportional to 97,415.52, 134,435.56 and 53,807.96

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Solution

The fourth proportional to 97,415.52, 134,435.56 and 53,807.96 is: 74,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,415.52 : 134,435.56 = 53,807.96 : x
  2. Step 2: Convert to fraction form
    97,415.52/134,435.56 = 53,807.96/x
  3. Step 3: Cross multiply
    97,415.52x = 134,435.56 × 53,807.96
  4. Step 4: Simplify right side
    97,415.52x = 7,233,703,235.06
  5. Step 5: Solve for x
    x = 7,233,703,235.06/97,415.52
  6. Step 6: Final answer
    x = 74,256.17

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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.