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Finding the Fourth Proportional to 292,567.83, 438,676.61 and 121,583.36

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Solution

The fourth proportional to 292,567.83, 438,676.61 and 121,583.36 is: 182,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,567.83 : 438,676.61 = 121,583.36 : x
  2. Step 2: Convert to fraction form
    292,567.83/438,676.61 = 121,583.36/x
  3. Step 3: Cross multiply
    292,567.83x = 438,676.61 × 121,583.36
  4. Step 4: Simplify right side
    292,567.83x = 53,335,773,395.91
  5. Step 5: Solve for x
    x = 53,335,773,395.91/292,567.83
  6. Step 6: Final answer
    x = 182,302.25

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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.