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Finding the Fourth Proportional to 292,235.90, 438,051.45 and 158,834.30

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Solution

The fourth proportional to 292,235.90, 438,051.45 and 158,834.30 is: 238,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,235.90 : 438,051.45 = 158,834.30 : x
  2. Step 2: Convert to fraction form
    292,235.90/438,051.45 = 158,834.30/x
  3. Step 3: Cross multiply
    292,235.90x = 438,051.45 × 158,834.30
  4. Step 4: Simplify right side
    292,235.90x = 69,577,595,424.74
  5. Step 5: Solve for x
    x = 69,577,595,424.74/292,235.90
  6. Step 6: Final answer
    x = 238,087.09

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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.