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Finding the Fourth Proportional to 171,673.60, 257,455.08 and 160,478.92

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Solution

The fourth proportional to 171,673.60, 257,455.08 and 160,478.92 is: 240,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,673.60 : 257,455.08 = 160,478.92 : x
  2. Step 2: Convert to fraction form
    171,673.60/257,455.08 = 160,478.92/x
  3. Step 3: Cross multiply
    171,673.60x = 257,455.08 × 160,478.92
  4. Step 4: Simplify right side
    171,673.60x = 41,316,113,186.91
  5. Step 5: Solve for x
    x = 41,316,113,186.91/171,673.60
  6. Step 6: Final answer
    x = 240,666.67

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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.