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Finding the Fourth Proportional to 191,158.68, 285,124.89 and 166,000.89

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Solution

The fourth proportional to 191,158.68, 285,124.89 and 166,000.89 is: 247,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,158.68 : 285,124.89 = 166,000.89 : x
  2. Step 2: Convert to fraction form
    191,158.68/285,124.89 = 166,000.89/x
  3. Step 3: Cross multiply
    191,158.68x = 285,124.89 × 166,000.89
  4. Step 4: Simplify right side
    191,158.68x = 47,330,985,501.15
  5. Step 5: Solve for x
    x = 47,330,985,501.15/191,158.68
  6. Step 6: Final answer
    x = 247,600.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.