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Finding the Fourth Proportional to 169,158.20, 253,802.10 and 166,501.40

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Solution

The fourth proportional to 169,158.20, 253,802.10 and 166,501.40 is: 249,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,158.20 : 253,802.10 = 166,501.40 : x
  2. Step 2: Convert to fraction form
    169,158.20/253,802.10 = 166,501.40/x
  3. Step 3: Cross multiply
    169,158.20x = 253,802.10 × 166,501.40
  4. Step 4: Simplify right side
    169,158.20x = 42,258,404,972.94
  5. Step 5: Solve for x
    x = 42,258,404,972.94/169,158.20
  6. Step 6: Final answer
    x = 249,815.88

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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.