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Finding the Fourth Proportional to 233,252.40, 349,878.60 and 115,154.40

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Solution

The fourth proportional to 233,252.40, 349,878.60 and 115,154.40 is: 172,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,252.40 : 349,878.60 = 115,154.40 : x
  2. Step 2: Convert to fraction form
    233,252.40/349,878.60 = 115,154.40/x
  3. Step 3: Cross multiply
    233,252.40x = 349,878.60 × 115,154.40
  4. Step 4: Simplify right side
    233,252.40x = 40,290,060,255.84
  5. Step 5: Solve for x
    x = 40,290,060,255.84/233,252.40
  6. Step 6: Final answer
    x = 172,731.60

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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.