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Finding the Fourth Proportional to 292,827.60, 439,387.20 and 166,564.80

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Solution

The fourth proportional to 292,827.60, 439,387.20 and 166,564.80 is: 249,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,827.60 : 439,387.20 = 166,564.80 : x
  2. Step 2: Convert to fraction form
    292,827.60/439,387.20 = 166,564.80/x
  3. Step 3: Cross multiply
    292,827.60x = 439,387.20 × 166,564.80
  4. Step 4: Simplify right side
    292,827.60x = 73,186,441,090.56
  5. Step 5: Solve for x
    x = 73,186,441,090.56/292,827.60
  6. Step 6: Final answer
    x = 249,930.13

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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.