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Finding the Fourth Proportional to 291,762.48, 437,702.70 and 123,283.29

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Solution

The fourth proportional to 291,762.48, 437,702.70 and 123,283.29 is: 184,949.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,762.48 : 437,702.70 = 123,283.29 : x
  2. Step 2: Convert to fraction form
    291,762.48/437,702.70 = 123,283.29/x
  3. Step 3: Cross multiply
    291,762.48x = 437,702.70 × 123,283.29
  4. Step 4: Simplify right side
    291,762.48x = 53,961,428,897.88
  5. Step 5: Solve for x
    x = 53,961,428,897.88/291,762.48
  6. Step 6: Final answer
    x = 184,949.86

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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.