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Finding the Fourth Proportional to 303,675.20, 455,523.60 and 93,312.80

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Solution

The fourth proportional to 303,675.20, 455,523.60 and 93,312.80 is: 139,972.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,675.20 : 455,523.60 = 93,312.80 : x
  2. Step 2: Convert to fraction form
    303,675.20/455,523.60 = 93,312.80/x
  3. Step 3: Cross multiply
    303,675.20x = 455,523.60 × 93,312.80
  4. Step 4: Simplify right side
    303,675.20x = 42,506,182,582.08
  5. Step 5: Solve for x
    x = 42,506,182,582.08/303,675.20
  6. Step 6: Final answer
    x = 139,972.52

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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.