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Finding the Fourth Proportional to 292,528.76, 438,706.20 and 124,046.60

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Solution

The fourth proportional to 292,528.76, 438,706.20 and 124,046.60 is: 186,033.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,528.76 : 438,706.20 = 124,046.60 : x
  2. Step 2: Convert to fraction form
    292,528.76/438,706.20 = 124,046.60/x
  3. Step 3: Cross multiply
    292,528.76x = 438,706.20 × 124,046.60
  4. Step 4: Simplify right side
    292,528.76x = 54,420,012,508.92
  5. Step 5: Solve for x
    x = 54,420,012,508.92/292,528.76
  6. Step 6: Final answer
    x = 186,033.03

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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.