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Finding the Fourth Proportional to 97,051.50, 133,936.54 and 54,612.77

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Solution

The fourth proportional to 97,051.50, 133,936.54 and 54,612.77 is: 75,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,051.50 : 133,936.54 = 54,612.77 : x
  2. Step 2: Convert to fraction form
    97,051.50/133,936.54 = 54,612.77/x
  3. Step 3: Cross multiply
    97,051.50x = 133,936.54 × 54,612.77
  4. Step 4: Simplify right side
    97,051.50x = 7,314,644,647.40
  5. Step 5: Solve for x
    x = 7,314,644,647.40/97,051.50
  6. Step 6: Final answer
    x = 75,368.69

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1.5x scale

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.