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Finding the Fourth Proportional to 165,534.70, 248,302.05 and 65,718.70

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Solution

The fourth proportional to 165,534.70, 248,302.05 and 65,718.70 is: 98,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,534.70 : 248,302.05 = 65,718.70 : x
  2. Step 2: Convert to fraction form
    165,534.70/248,302.05 = 65,718.70/x
  3. Step 3: Cross multiply
    165,534.70x = 248,302.05 × 65,718.70
  4. Step 4: Simplify right side
    165,534.70x = 16,318,087,933.34
  5. Step 5: Solve for x
    x = 16,318,087,933.34/165,534.70
  6. Step 6: Final answer
    x = 98,578.05

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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.