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Finding the Fourth Proportional to 52,377.60, 78,412.80 and 46,233.60

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Solution

The fourth proportional to 52,377.60, 78,412.80 and 46,233.60 is: 69,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,377.60 : 78,412.80 = 46,233.60 : x
  2. Step 2: Convert to fraction form
    52,377.60/78,412.80 = 46,233.60/x
  3. Step 3: Cross multiply
    52,377.60x = 78,412.80 × 46,233.60
  4. Step 4: Simplify right side
    52,377.60x = 3,625,306,030.08
  5. Step 5: Solve for x
    x = 3,625,306,030.08/52,377.60
  6. Step 6: Final answer
    x = 69,214.82

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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.