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Finding the Fourth Proportional to 94,003.77, 129,717 and 53,709.51

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Solution

The fourth proportional to 94,003.77, 129,717 and 53,709.51 is: 74,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,003.77 : 129,717 = 53,709.51 : x
  2. Step 2: Convert to fraction form
    94,003.77/129,717 = 53,709.51/x
  3. Step 3: Cross multiply
    94,003.77x = 129,717 × 53,709.51
  4. Step 4: Simplify right side
    94,003.77x = 6,967,036,508.67
  5. Step 5: Solve for x
    x = 6,967,036,508.67/94,003.77
  6. Step 6: Final answer
    x = 74,114.44

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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.