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Finding the Fourth Proportional to 292,137.01, 438,253.94 and 102,548.20

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Solution

The fourth proportional to 292,137.01, 438,253.94 and 102,548.20 is: 153,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,137.01 : 438,253.94 = 102,548.20 : x
  2. Step 2: Convert to fraction form
    292,137.01/438,253.94 = 102,548.20/x
  3. Step 3: Cross multiply
    292,137.01x = 438,253.94 × 102,548.20
  4. Step 4: Simplify right side
    292,137.01x = 44,942,152,689.91
  5. Step 5: Solve for x
    x = 44,942,152,689.91/292,137.01
  6. Step 6: Final answer
    x = 153,839.30

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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.