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Finding the Fourth Proportional to 235,920.48, 353,880.72 and 69,695.52

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Solution

The fourth proportional to 235,920.48, 353,880.72 and 69,695.52 is: 104,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,920.48 : 353,880.72 = 69,695.52 : x
  2. Step 2: Convert to fraction form
    235,920.48/353,880.72 = 69,695.52/x
  3. Step 3: Cross multiply
    235,920.48x = 353,880.72 × 69,695.52
  4. Step 4: Simplify right side
    235,920.48x = 24,663,900,798.37
  5. Step 5: Solve for x
    x = 24,663,900,798.37/235,920.48
  6. Step 6: Final answer
    x = 104,543.28

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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.