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Finding the Fourth Proportional to 292,340.95, 438,526.88 and 92,676.90

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Solution

The fourth proportional to 292,340.95, 438,526.88 and 92,676.90 is: 139,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,340.95 : 438,526.88 = 92,676.90 : x
  2. Step 2: Convert to fraction form
    292,340.95/438,526.88 = 92,676.90/x
  3. Step 3: Cross multiply
    292,340.95x = 438,526.88 × 92,676.90
  4. Step 4: Simplify right side
    292,340.95x = 40,641,313,333.70
  5. Step 5: Solve for x
    x = 40,641,313,333.70/292,340.95
  6. Step 6: Final answer
    x = 139,020.26

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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.