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Finding the Fourth Proportional to 191,119.60, 286,711.80 and 57,998.80

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Solution

The fourth proportional to 191,119.60, 286,711.80 and 57,998.80 is: 87,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,119.60 : 286,711.80 = 57,998.80 : x
  2. Step 2: Convert to fraction form
    191,119.60/286,711.80 = 57,998.80/x
  3. Step 3: Cross multiply
    191,119.60x = 286,711.80 × 57,998.80
  4. Step 4: Simplify right side
    191,119.60x = 16,628,940,345.84
  5. Step 5: Solve for x
    x = 16,628,940,345.84/191,119.60
  6. Step 6: Final answer
    x = 87,008.03

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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.