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Finding the Fourth Proportional to 122,459.58, 183,689.37 and 39,360.06

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Solution

The fourth proportional to 122,459.58, 183,689.37 and 39,360.06 is: 59,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459.58 : 183,689.37 = 39,360.06 : x
  2. Step 2: Convert to fraction form
    122,459.58/183,689.37 = 39,360.06/x
  3. Step 3: Cross multiply
    122,459.58x = 183,689.37 × 39,360.06
  4. Step 4: Simplify right side
    122,459.58x = 7,230,024,624.56
  5. Step 5: Solve for x
    x = 7,230,024,624.56/122,459.58
  6. Step 6: Final answer
    x = 59,040.09

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1.5x scale

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.