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Finding the Fourth Proportional to 101,595.15, 152,318.90 and 42,447.74

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Solution

The fourth proportional to 101,595.15, 152,318.90 and 42,447.74 is: 63,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,595.15 : 152,318.90 = 42,447.74 : x
  2. Step 2: Convert to fraction form
    101,595.15/152,318.90 = 42,447.74/x
  3. Step 3: Cross multiply
    101,595.15x = 152,318.90 × 42,447.74
  4. Step 4: Simplify right side
    101,595.15x = 6,465,592,090.45
  5. Step 5: Solve for x
    x = 6,465,592,090.45/101,595.15
  6. Step 6: Final answer
    x = 63,640.76

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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.