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Finding the Fourth Proportional to 154,356.60, 231,680.70 and 95,307.60

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Solution

The fourth proportional to 154,356.60, 231,680.70 and 95,307.60 is: 143,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,356.60 : 231,680.70 = 95,307.60 : x
  2. Step 2: Convert to fraction form
    154,356.60/231,680.70 = 95,307.60/x
  3. Step 3: Cross multiply
    154,356.60x = 231,680.70 × 95,307.60
  4. Step 4: Simplify right side
    154,356.60x = 22,080,931,483.32
  5. Step 5: Solve for x
    x = 22,080,931,483.32/154,356.60
  6. Step 6: Final answer
    x = 143,051.42

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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.