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Finding the Fourth Proportional to 292,397.95, 438,612.57 and 92,734.27

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Solution

The fourth proportional to 292,397.95, 438,612.57 and 92,734.27 is: 139,106.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,397.95 : 438,612.57 = 92,734.27 : x
  2. Step 2: Convert to fraction form
    292,397.95/438,612.57 = 92,734.27/x
  3. Step 3: Cross multiply
    292,397.95x = 438,612.57 × 92,734.27
  4. Step 4: Simplify right side
    292,397.95x = 40,674,415,395.24
  5. Step 5: Solve for x
    x = 40,674,415,395.24/292,397.95
  6. Step 6: Final answer
    x = 139,106.36

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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.