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Finding the Fourth Proportional to 292,803.34, 439,199.54 and 93,137.52

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Solution

The fourth proportional to 292,803.34, 439,199.54 and 93,137.52 is: 139,704.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,803.34 : 439,199.54 = 93,137.52 : x
  2. Step 2: Convert to fraction form
    292,803.34/439,199.54 = 93,137.52/x
  3. Step 3: Cross multiply
    292,803.34x = 439,199.54 × 93,137.52
  4. Step 4: Simplify right side
    292,803.34x = 40,905,955,940.74
  5. Step 5: Solve for x
    x = 40,905,955,940.74/292,803.34
  6. Step 6: Final answer
    x = 139,704.54

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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.