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Finding the Fourth Proportional to 292,681.85, 438,929.35 and 92,955.52

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Solution

The fourth proportional to 292,681.85, 438,929.35 and 92,955.52 is: 139,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,681.85 : 438,929.35 = 92,955.52 : x
  2. Step 2: Convert to fraction form
    292,681.85/438,929.35 = 92,955.52/x
  3. Step 3: Cross multiply
    292,681.85x = 438,929.35 × 92,955.52
  4. Step 4: Simplify right side
    292,681.85x = 40,800,905,507.73
  5. Step 5: Solve for x
    x = 40,800,905,507.73/292,681.85
  6. Step 6: Final answer
    x = 139,403.61

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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.