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Finding the Fourth Proportional to 166,575, 229,984.40 and 98,613.84

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Solution

The fourth proportional to 166,575, 229,984.40 and 98,613.84 is: 136,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,575 : 229,984.40 = 98,613.84 : x
  2. Step 2: Convert to fraction form
    166,575/229,984.40 = 98,613.84/x
  3. Step 3: Cross multiply
    166,575x = 229,984.40 × 98,613.84
  4. Step 4: Simplify right side
    166,575x = 22,679,644,824.10
  5. Step 5: Solve for x
    x = 22,679,644,824.10/166,575
  6. Step 6: Final answer
    x = 136,152.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.