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Finding the Fourth Proportional to 124,347.58, 186,482.49 and 54,156.22

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Solution

The fourth proportional to 124,347.58, 186,482.49 and 54,156.22 is: 81,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,347.58 : 186,482.49 = 54,156.22 : x
  2. Step 2: Convert to fraction form
    124,347.58/186,482.49 = 54,156.22/x
  3. Step 3: Cross multiply
    124,347.58x = 186,482.49 × 54,156.22
  4. Step 4: Simplify right side
    124,347.58x = 10,099,186,754.59
  5. Step 5: Solve for x
    x = 10,099,186,754.59/124,347.58
  6. Step 6: Final answer
    x = 81,217.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.