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Finding the Fourth Proportional to 154,468.60, 231,702.90 and 124,401.40

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Solution

The fourth proportional to 154,468.60, 231,702.90 and 124,401.40 is: 186,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,468.60 : 231,702.90 = 124,401.40 : x
  2. Step 2: Convert to fraction form
    154,468.60/231,702.90 = 124,401.40/x
  3. Step 3: Cross multiply
    154,468.60x = 231,702.90 × 124,401.40
  4. Step 4: Simplify right side
    154,468.60x = 28,824,165,144.06
  5. Step 5: Solve for x
    x = 28,824,165,144.06/154,468.60
  6. Step 6: Final answer
    x = 186,602.10

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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.