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Finding the Fourth Proportional to 508,004.16, 761,947.92 and 134,056.32

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Solution

The fourth proportional to 508,004.16, 761,947.92 and 134,056.32 is: 201,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,004.16 : 761,947.92 = 134,056.32 : x
  2. Step 2: Convert to fraction form
    508,004.16/761,947.92 = 134,056.32/x
  3. Step 3: Cross multiply
    508,004.16x = 761,947.92 × 134,056.32
  4. Step 4: Simplify right side
    508,004.16x = 102,143,934,186.85
  5. Step 5: Solve for x
    x = 102,143,934,186.85/508,004.16
  6. Step 6: Final answer
    x = 201,069.09

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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.