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Finding the Fourth Proportional to 508,009.86, 762,046.45 and 134,033.22

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Solution

The fourth proportional to 508,009.86, 762,046.45 and 134,033.22 is: 201,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,009.86 : 762,046.45 = 134,033.22 : x
  2. Step 2: Convert to fraction form
    508,009.86/762,046.45 = 134,033.22/x
  3. Step 3: Cross multiply
    508,009.86x = 762,046.45 × 134,033.22
  4. Step 4: Simplify right side
    508,009.86x = 102,139,539,483.07
  5. Step 5: Solve for x
    x = 102,139,539,483.07/508,009.86
  6. Step 6: Final answer
    x = 201,058.18

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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.