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Finding the Fourth Proportional to 207,606.44, 286,502.60 and 127,032.50

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Solution

The fourth proportional to 207,606.44, 286,502.60 and 127,032.50 is: 175,308.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,606.44 : 286,502.60 = 127,032.50 : x
  2. Step 2: Convert to fraction form
    207,606.44/286,502.60 = 127,032.50/x
  3. Step 3: Cross multiply
    207,606.44x = 286,502.60 × 127,032.50
  4. Step 4: Simplify right side
    207,606.44x = 36,395,140,899.34
  5. Step 5: Solve for x
    x = 36,395,140,899.34/207,606.44
  6. Step 6: Final answer
    x = 175,308.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.