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Finding the Fourth Proportional to 292,799.70, 439,211.70 and 93,114.45

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Solution

The fourth proportional to 292,799.70, 439,211.70 and 93,114.45 is: 139,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,799.70 : 439,211.70 = 93,114.45 : x
  2. Step 2: Convert to fraction form
    292,799.70/439,211.70 = 93,114.45/x
  3. Step 3: Cross multiply
    292,799.70x = 439,211.70 × 93,114.45
  4. Step 4: Simplify right side
    292,799.70x = 40,896,955,879.07
  5. Step 5: Solve for x
    x = 40,896,955,879.07/292,799.70
  6. Step 6: Final answer
    x = 139,675.54

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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.