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Finding the Fourth Proportional to 292,535.89, 438,716.89 and 124,053.73

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Solution

The fourth proportional to 292,535.89, 438,716.89 and 124,053.73 is: 186,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,535.89 : 438,716.89 = 124,053.73 : x
  2. Step 2: Convert to fraction form
    292,535.89/438,716.89 = 124,053.73/x
  3. Step 3: Cross multiply
    292,535.89x = 438,716.89 × 124,053.73
  4. Step 4: Simplify right side
    292,535.89x = 54,424,466,618.50
  5. Step 5: Solve for x
    x = 54,424,466,618.50/292,535.89
  6. Step 6: Final answer
    x = 186,043.72

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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.