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Finding the Fourth Proportional to 101,746.63, 140,446.70 and 69,458.14

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Solution

The fourth proportional to 101,746.63, 140,446.70 and 69,458.14 is: 95,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,746.63 : 140,446.70 = 69,458.14 : x
  2. Step 2: Convert to fraction form
    101,746.63/140,446.70 = 69,458.14/x
  3. Step 3: Cross multiply
    101,746.63x = 140,446.70 × 69,458.14
  4. Step 4: Simplify right side
    101,746.63x = 9,755,166,551.14
  5. Step 5: Solve for x
    x = 9,755,166,551.14/101,746.63
  6. Step 6: Final answer
    x = 95,877.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.