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Finding the Fourth Proportional to 211,653.58, 317,230.08 and 93,076.88

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Solution

The fourth proportional to 211,653.58, 317,230.08 and 93,076.88 is: 139,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,653.58 : 317,230.08 = 93,076.88 : x
  2. Step 2: Convert to fraction form
    211,653.58/317,230.08 = 93,076.88/x
  3. Step 3: Cross multiply
    211,653.58x = 317,230.08 × 93,076.88
  4. Step 4: Simplify right side
    211,653.58x = 29,526,786,088.55
  5. Step 5: Solve for x
    x = 29,526,786,088.55/211,653.58
  6. Step 6: Final answer
    x = 139,505.25

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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.