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Finding the Fourth Proportional to 235,248.52, 352,878.54 and 69,041.80

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Solution

The fourth proportional to 235,248.52, 352,878.54 and 69,041.80 is: 103,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,248.52 : 352,878.54 = 69,041.80 : x
  2. Step 2: Convert to fraction form
    235,248.52/352,878.54 = 69,041.80/x
  3. Step 3: Cross multiply
    235,248.52x = 352,878.54 × 69,041.80
  4. Step 4: Simplify right side
    235,248.52x = 24,363,369,582.97
  5. Step 5: Solve for x
    x = 24,363,369,582.97/235,248.52
  6. Step 6: Final answer
    x = 103,564.39

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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.