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Finding the Fourth Proportional to 292,227.90, 438,039.45 and 158,826.30

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Solution

The fourth proportional to 292,227.90, 438,039.45 and 158,826.30 is: 238,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,227.90 : 438,039.45 = 158,826.30 : x
  2. Step 2: Convert to fraction form
    292,227.90/438,039.45 = 158,826.30/x
  3. Step 3: Cross multiply
    292,227.90x = 438,039.45 × 158,826.30
  4. Step 4: Simplify right side
    292,227.90x = 69,572,185,097.54
  5. Step 5: Solve for x
    x = 69,572,185,097.54/292,227.90
  6. Step 6: Final answer
    x = 238,075.10

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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.