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Finding the Fourth Proportional to 191,188.96, 286,782.80 and 49,034.08

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Solution

The fourth proportional to 191,188.96, 286,782.80 and 49,034.08 is: 73,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,188.96 : 286,782.80 = 49,034.08 : x
  2. Step 2: Convert to fraction form
    191,188.96/286,782.80 = 49,034.08/x
  3. Step 3: Cross multiply
    191,188.96x = 286,782.80 × 49,034.08
  4. Step 4: Simplify right side
    191,188.96x = 14,062,130,757.82
  5. Step 5: Solve for x
    x = 14,062,130,757.82/191,188.96
  6. Step 6: Final answer
    x = 73,550.96

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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.