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Finding the Fourth Proportional to 171,925.80, 257,888.70 and 153,846.60

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Solution

The fourth proportional to 171,925.80, 257,888.70 and 153,846.60 is: 230,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,925.80 : 257,888.70 = 153,846.60 : x
  2. Step 2: Convert to fraction form
    171,925.80/257,888.70 = 153,846.60/x
  3. Step 3: Cross multiply
    171,925.80x = 257,888.70 × 153,846.60
  4. Step 4: Simplify right side
    171,925.80x = 39,675,299,673.42
  5. Step 5: Solve for x
    x = 39,675,299,673.42/171,925.80
  6. Step 6: Final answer
    x = 230,769.90

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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.