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Finding the Fourth Proportional to 191,751.90, 286,904.67 and 114,528.61

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Solution

The fourth proportional to 191,751.90, 286,904.67 and 114,528.61 is: 171,360.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,751.90 : 286,904.67 = 114,528.61 : x
  2. Step 2: Convert to fraction form
    191,751.90/286,904.67 = 114,528.61/x
  3. Step 3: Cross multiply
    191,751.90x = 286,904.67 × 114,528.61
  4. Step 4: Simplify right side
    191,751.90x = 32,858,793,057.61
  5. Step 5: Solve for x
    x = 32,858,793,057.61/191,751.90
  6. Step 6: Final answer
    x = 171,360.98

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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.