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Finding the Fourth Proportional to 292,047.64, 438,096.04 and 92,363.58

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Solution

The fourth proportional to 292,047.64, 438,096.04 and 92,363.58 is: 138,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,047.64 : 438,096.04 = 92,363.58 : x
  2. Step 2: Convert to fraction form
    292,047.64/438,096.04 = 92,363.58/x
  3. Step 3: Cross multiply
    292,047.64x = 438,096.04 × 92,363.58
  4. Step 4: Simplify right side
    292,047.64x = 40,464,118,638.22
  5. Step 5: Solve for x
    x = 40,464,118,638.22/292,047.64
  6. Step 6: Final answer
    x = 138,553.14

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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.