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Finding the Fourth Proportional to 242,764.80, 364,017.60 and 102,364.80

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Solution

The fourth proportional to 242,764.80, 364,017.60 and 102,364.80 is: 153,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,764.80 : 364,017.60 = 102,364.80 : x
  2. Step 2: Convert to fraction form
    242,764.80/364,017.60 = 102,364.80/x
  3. Step 3: Cross multiply
    242,764.80x = 364,017.60 × 102,364.80
  4. Step 4: Simplify right side
    242,764.80x = 37,262,588,820.48
  5. Step 5: Solve for x
    x = 37,262,588,820.48/242,764.80
  6. Step 6: Final answer
    x = 153,492.55

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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.