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Finding the Fourth Proportional to 292,681.35, 438,928.60 and 92,955.02

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Solution

The fourth proportional to 292,681.35, 438,928.60 and 92,955.02 is: 139,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,681.35 : 438,928.60 = 92,955.02 : x
  2. Step 2: Convert to fraction form
    292,681.35/438,928.60 = 92,955.02/x
  3. Step 3: Cross multiply
    292,681.35x = 438,928.60 × 92,955.02
  4. Step 4: Simplify right side
    292,681.35x = 40,800,615,511.88
  5. Step 5: Solve for x
    x = 40,800,615,511.88/292,681.35
  6. Step 6: Final answer
    x = 139,402.85

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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.