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Finding the Fourth Proportional to 168,776.80, 253,165.20 and 166,152.40

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Solution

The fourth proportional to 168,776.80, 253,165.20 and 166,152.40 is: 249,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,776.80 : 253,165.20 = 166,152.40 : x
  2. Step 2: Convert to fraction form
    168,776.80/253,165.20 = 166,152.40/x
  3. Step 3: Cross multiply
    168,776.80x = 253,165.20 × 166,152.40
  4. Step 4: Simplify right side
    168,776.80x = 42,064,005,576.48
  5. Step 5: Solve for x
    x = 42,064,005,576.48/168,776.80
  6. Step 6: Final answer
    x = 249,228.60

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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.