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Finding the Fourth Proportional to 168,681.40, 253,022.10 and 160,905.40

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Solution

The fourth proportional to 168,681.40, 253,022.10 and 160,905.40 is: 241,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,681.40 : 253,022.10 = 160,905.40 : x
  2. Step 2: Convert to fraction form
    168,681.40/253,022.10 = 160,905.40/x
  3. Step 3: Cross multiply
    168,681.40x = 253,022.10 × 160,905.40
  4. Step 4: Simplify right side
    168,681.40x = 40,712,622,209.34
  5. Step 5: Solve for x
    x = 40,712,622,209.34/168,681.40
  6. Step 6: Final answer
    x = 241,358.10

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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.