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Finding the Fourth Proportional to 191,152.80, 286,383.60 and 169,034.40

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Solution

The fourth proportional to 191,152.80, 286,383.60 and 169,034.40 is: 253,245.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,152.80 : 286,383.60 = 169,034.40 : x
  2. Step 2: Convert to fraction form
    191,152.80/286,383.60 = 169,034.40/x
  3. Step 3: Cross multiply
    191,152.80x = 286,383.60 × 169,034.40
  4. Step 4: Simplify right side
    191,152.80x = 48,408,679,995.84
  5. Step 5: Solve for x
    x = 48,408,679,995.84/191,152.80
  6. Step 6: Final answer
    x = 253,245.99

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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.