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Finding the Fourth Proportional to 235,931.40, 353,033.10 and 173,723.40

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Solution

The fourth proportional to 235,931.40, 353,033.10 and 173,723.40 is: 259,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,931.40 : 353,033.10 = 173,723.40 : x
  2. Step 2: Convert to fraction form
    235,931.40/353,033.10 = 173,723.40/x
  3. Step 3: Cross multiply
    235,931.40x = 353,033.10 × 173,723.40
  4. Step 4: Simplify right side
    235,931.40x = 61,330,110,444.54
  5. Step 5: Solve for x
    x = 61,330,110,444.54/235,931.40
  6. Step 6: Final answer
    x = 259,948.91

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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.