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Finding the Fourth Proportional to 292,627.56, 438,957.54 and 92,933.40

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Solution

The fourth proportional to 292,627.56, 438,957.54 and 92,933.40 is: 139,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,627.56 : 438,957.54 = 92,933.40 : x
  2. Step 2: Convert to fraction form
    292,627.56/438,957.54 = 92,933.40/x
  3. Step 3: Cross multiply
    292,627.56x = 438,957.54 × 92,933.40
  4. Step 4: Simplify right side
    292,627.56x = 40,793,816,647.84
  5. Step 5: Solve for x
    x = 40,793,816,647.84/292,627.56
  6. Step 6: Final answer
    x = 139,405.24

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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.