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Finding the Fourth Proportional to 191,241.95, 286,895.72 and 58,135.46

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Solution

The fourth proportional to 191,241.95, 286,895.72 and 58,135.46 is: 87,213.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,241.95 : 286,895.72 = 58,135.46 : x
  2. Step 2: Convert to fraction form
    191,241.95/286,895.72 = 58,135.46/x
  3. Step 3: Cross multiply
    191,241.95x = 286,895.72 × 58,135.46
  4. Step 4: Simplify right side
    191,241.95x = 16,678,813,365.09
  5. Step 5: Solve for x
    x = 16,678,813,365.09/191,241.95
  6. Step 6: Final answer
    x = 87,213.15

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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.