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Finding the Fourth Proportional to 113,595.15, 156,712.02 and 67,629.06

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Solution

The fourth proportional to 113,595.15, 156,712.02 and 67,629.06 is: 93,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,595.15 : 156,712.02 = 67,629.06 : x
  2. Step 2: Convert to fraction form
    113,595.15/156,712.02 = 67,629.06/x
  3. Step 3: Cross multiply
    113,595.15x = 156,712.02 × 67,629.06
  4. Step 4: Simplify right side
    113,595.15x = 10,598,286,603.30
  5. Step 5: Solve for x
    x = 10,598,286,603.30/113,595.15
  6. Step 6: Final answer
    x = 93,298.76

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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.