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Finding the Fourth Proportional to 174,326.40, 260,829.59 and 103,287.11

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Solution

The fourth proportional to 174,326.40, 260,829.59 and 103,287.11 is: 154,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,326.40 : 260,829.59 = 103,287.11 : x
  2. Step 2: Convert to fraction form
    174,326.40/260,829.59 = 103,287.11/x
  3. Step 3: Cross multiply
    174,326.40x = 260,829.59 × 103,287.11
  4. Step 4: Simplify right side
    174,326.40x = 26,940,332,733.00
  5. Step 5: Solve for x
    x = 26,940,332,733.00/174,326.40
  6. Step 6: Final answer
    x = 154,539.60

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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.