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Finding the Fourth Proportional to 153,927.60, 231,037.20 and 94,878.60

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Solution

The fourth proportional to 153,927.60, 231,037.20 and 94,878.60 is: 142,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,927.60 : 231,037.20 = 94,878.60 : x
  2. Step 2: Convert to fraction form
    153,927.60/231,037.20 = 94,878.60/x
  3. Step 3: Cross multiply
    153,927.60x = 231,037.20 × 94,878.60
  4. Step 4: Simplify right side
    153,927.60x = 21,920,486,083.92
  5. Step 5: Solve for x
    x = 21,920,486,083.92/153,927.60
  6. Step 6: Final answer
    x = 142,407.77

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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.