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Finding the Fourth Proportional to 85,360.56, 128,037.60 and 23,032.68

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Solution

The fourth proportional to 85,360.56, 128,037.60 and 23,032.68 is: 34,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360.56 : 128,037.60 = 23,032.68 : x
  2. Step 2: Convert to fraction form
    85,360.56/128,037.60 = 23,032.68/x
  3. Step 3: Cross multiply
    85,360.56x = 128,037.60 × 23,032.68
  4. Step 4: Simplify right side
    85,360.56x = 2,949,049,068.77
  5. Step 5: Solve for x
    x = 2,949,049,068.77/85,360.56
  6. Step 6: Final answer
    x = 34,548.15

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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.