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Finding the Fourth Proportional to 292,961.59, 439,477.01 and 93,211.94

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Solution

The fourth proportional to 292,961.59, 439,477.01 and 93,211.94 is: 139,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,961.59 : 439,477.01 = 93,211.94 : x
  2. Step 2: Convert to fraction form
    292,961.59/439,477.01 = 93,211.94/x
  3. Step 3: Cross multiply
    292,961.59x = 439,477.01 × 93,211.94
  4. Step 4: Simplify right side
    292,961.59x = 40,964,504,687.50
  5. Step 5: Solve for x
    x = 40,964,504,687.50/292,961.59
  6. Step 6: Final answer
    x = 139,828.93

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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.