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Finding the Fourth Proportional to 92,822.14, 128,102.84 and 54,562.51

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Solution

The fourth proportional to 92,822.14, 128,102.84 and 54,562.51 is: 75,301.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,822.14 : 128,102.84 = 54,562.51 : x
  2. Step 2: Convert to fraction form
    92,822.14/128,102.84 = 54,562.51/x
  3. Step 3: Cross multiply
    92,822.14x = 128,102.84 × 54,562.51
  4. Step 4: Simplify right side
    92,822.14x = 6,989,612,488.53
  5. Step 5: Solve for x
    x = 6,989,612,488.53/92,822.14
  6. Step 6: Final answer
    x = 75,301.13

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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.