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Finding the Fourth Proportional to 97,355.42, 134,354.55 and 61,532.42

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Solution

The fourth proportional to 97,355.42, 134,354.55 and 61,532.42 is: 84,917.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,355.42 : 134,354.55 = 61,532.42 : x
  2. Step 2: Convert to fraction form
    97,355.42/134,354.55 = 61,532.42/x
  3. Step 3: Cross multiply
    97,355.42x = 134,354.55 × 61,532.42
  4. Step 4: Simplify right side
    97,355.42x = 8,267,160,599.51
  5. Step 5: Solve for x
    x = 8,267,160,599.51/97,355.42
  6. Step 6: Final answer
    x = 84,917.31

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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.