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Finding the Fourth Proportional to 154,597.90, 231,802.08 and 65,800.84

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Solution

The fourth proportional to 154,597.90, 231,802.08 and 65,800.84 is: 98,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,597.90 : 231,802.08 = 65,800.84 : x
  2. Step 2: Convert to fraction form
    154,597.90/231,802.08 = 65,800.84/x
  3. Step 3: Cross multiply
    154,597.90x = 231,802.08 × 65,800.84
  4. Step 4: Simplify right side
    154,597.90x = 15,252,771,577.75
  5. Step 5: Solve for x
    x = 15,252,771,577.75/154,597.90
  6. Step 6: Final answer
    x = 98,660.92

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1.5x scale

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.