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Finding the Fourth Proportional to 154,197.59, 231,330.38 and 65,526.89

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Solution

The fourth proportional to 154,197.59, 231,330.38 and 65,526.89 is: 98,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,197.59 : 231,330.38 = 65,526.89 : x
  2. Step 2: Convert to fraction form
    154,197.59/231,330.38 = 65,526.89/x
  3. Step 3: Cross multiply
    154,197.59x = 231,330.38 × 65,526.89
  4. Step 4: Simplify right side
    154,197.59x = 15,158,358,879.63
  5. Step 5: Solve for x
    x = 15,158,358,879.63/154,197.59
  6. Step 6: Final answer
    x = 98,304.77

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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.