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Finding the Fourth Proportional to 191,131.70, 286,733.64 and 63,055.32

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Solution

The fourth proportional to 191,131.70, 286,733.64 and 63,055.32 is: 94,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,131.70 : 286,733.64 = 63,055.32 : x
  2. Step 2: Convert to fraction form
    191,131.70/286,733.64 = 63,055.32/x
  3. Step 3: Cross multiply
    191,131.70x = 286,733.64 × 63,055.32
  4. Step 4: Simplify right side
    191,131.70x = 18,080,081,424.96
  5. Step 5: Solve for x
    x = 18,080,081,424.96/191,131.70
  6. Step 6: Final answer
    x = 94,594.89

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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.