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Finding the Fourth Proportional to 102,215.58, 153,312.58 and 27,343.29

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Solution

The fourth proportional to 102,215.58, 153,312.58 and 27,343.29 is: 41,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.58 : 153,312.58 = 27,343.29 : x
  2. Step 2: Convert to fraction form
    102,215.58/153,312.58 = 27,343.29/x
  3. Step 3: Cross multiply
    102,215.58x = 153,312.58 × 27,343.29
  4. Step 4: Simplify right side
    102,215.58x = 4,192,070,335.59
  5. Step 5: Solve for x
    x = 4,192,070,335.59/102,215.58
  6. Step 6: Final answer
    x = 41,012.05

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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.