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Finding the Fourth Proportional to 292,954.34, 439,473.29 and 90,567.87

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Solution

The fourth proportional to 292,954.34, 439,473.29 and 90,567.87 is: 135,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,954.34 : 439,473.29 = 90,567.87 : x
  2. Step 2: Convert to fraction form
    292,954.34/439,473.29 = 90,567.87/x
  3. Step 3: Cross multiply
    292,954.34x = 439,473.29 × 90,567.87
  4. Step 4: Simplify right side
    292,954.34x = 39,802,159,344.35
  5. Step 5: Solve for x
    x = 39,802,159,344.35/292,954.34
  6. Step 6: Final answer
    x = 135,864.72

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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.