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Finding the Fourth Proportional to 122,068.58, 183,129.02 and 37,826.90

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Solution

The fourth proportional to 122,068.58, 183,129.02 and 37,826.90 is: 56,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,068.58 : 183,129.02 = 37,826.90 : x
  2. Step 2: Convert to fraction form
    122,068.58/183,129.02 = 37,826.90/x
  3. Step 3: Cross multiply
    122,068.58x = 183,129.02 × 37,826.90
  4. Step 4: Simplify right side
    122,068.58x = 6,927,202,021.86
  5. Step 5: Solve for x
    x = 6,927,202,021.86/122,068.58
  6. Step 6: Final answer
    x = 56,748.45

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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.