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Finding the Fourth Proportional to 292,559.13, 438,853.91 and 92,895.17

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Solution

The fourth proportional to 292,559.13, 438,853.91 and 92,895.17 is: 139,347.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,559.13 : 438,853.91 = 92,895.17 : x
  2. Step 2: Convert to fraction form
    292,559.13/438,853.91 = 92,895.17/x
  3. Step 3: Cross multiply
    292,559.13x = 438,853.91 × 92,895.17
  4. Step 4: Simplify right side
    292,559.13x = 40,767,405,915.87
  5. Step 5: Solve for x
    x = 40,767,405,915.87/292,559.13
  6. Step 6: Final answer
    x = 139,347.58

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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.