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Finding the Fourth Proportional to 191,659.71, 287,171.76 and 116,552.67

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Solution

The fourth proportional to 191,659.71, 287,171.76 and 116,552.67 is: 174,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,659.71 : 287,171.76 = 116,552.67 : x
  2. Step 2: Convert to fraction form
    191,659.71/287,171.76 = 116,552.67/x
  3. Step 3: Cross multiply
    191,659.71x = 287,171.76 × 116,552.67
  4. Step 4: Simplify right side
    191,659.71x = 33,470,635,376.60
  5. Step 5: Solve for x
    x = 33,470,635,376.60/191,659.71
  6. Step 6: Final answer
    x = 174,635.74

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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.