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Finding the Fourth Proportional to 170,461.59, 253,679.70 and 164,785.29

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Solution

The fourth proportional to 170,461.59, 253,679.70 and 164,785.29 is: 245,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,461.59 : 253,679.70 = 164,785.29 : x
  2. Step 2: Convert to fraction form
    170,461.59/253,679.70 = 164,785.29/x
  3. Step 3: Cross multiply
    170,461.59x = 253,679.70 × 164,785.29
  4. Step 4: Simplify right side
    170,461.59x = 41,802,682,931.61
  5. Step 5: Solve for x
    x = 41,802,682,931.61/170,461.59
  6. Step 6: Final answer
    x = 245,232.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.