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Finding the Fourth Proportional to 104,296.40, 156,329.40 and 57,582.80

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Solution

The fourth proportional to 104,296.40, 156,329.40 and 57,582.80 is: 86,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,296.40 : 156,329.40 = 57,582.80 : x
  2. Step 2: Convert to fraction form
    104,296.40/156,329.40 = 57,582.80/x
  3. Step 3: Cross multiply
    104,296.40x = 156,329.40 × 57,582.80
  4. Step 4: Simplify right side
    104,296.40x = 9,001,884,574.32
  5. Step 5: Solve for x
    x = 9,001,884,574.32/104,296.40
  6. Step 6: Final answer
    x = 86,310.60

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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.