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Finding the Fourth Proportional to 171,666.40, 257,499.60 and 160,002.40

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Solution

The fourth proportional to 171,666.40, 257,499.60 and 160,002.40 is: 240,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,666.40 : 257,499.60 = 160,002.40 : x
  2. Step 2: Convert to fraction form
    171,666.40/257,499.60 = 160,002.40/x
  3. Step 3: Cross multiply
    171,666.40x = 257,499.60 × 160,002.40
  4. Step 4: Simplify right side
    171,666.40x = 41,200,553,999.04
  5. Step 5: Solve for x
    x = 41,200,553,999.04/171,666.40
  6. Step 6: Final answer
    x = 240,003.60

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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.