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Finding the Fourth Proportional to 292,551.63, 438,842.64 and 92,887.65

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Solution

The fourth proportional to 292,551.63, 438,842.64 and 92,887.65 is: 139,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,551.63 : 438,842.64 = 92,887.65 : x
  2. Step 2: Convert to fraction form
    292,551.63/438,842.64 = 92,887.65/x
  3. Step 3: Cross multiply
    292,551.63x = 438,842.64 × 92,887.65
  4. Step 4: Simplify right side
    292,551.63x = 40,763,061,549.40
  5. Step 5: Solve for x
    x = 40,763,061,549.40/292,551.63
  6. Step 6: Final answer
    x = 139,336.30

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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.