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Finding the Fourth Proportional to 145,599.96, 218,269.96 and 56,832.76

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Solution

The fourth proportional to 145,599.96, 218,269.96 and 56,832.76 is: 85,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,599.96 : 218,269.96 = 56,832.76 : x
  2. Step 2: Convert to fraction form
    145,599.96/218,269.96 = 56,832.76/x
  3. Step 3: Cross multiply
    145,599.96x = 218,269.96 × 56,832.76
  4. Step 4: Simplify right side
    145,599.96x = 12,404,884,251.89
  5. Step 5: Solve for x
    x = 12,404,884,251.89/145,599.96
  6. Step 6: Final answer
    x = 85,198.40

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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.