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Finding the Fourth Proportional to 104,602.96, 144,291.90 and 64,288.12

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Solution

The fourth proportional to 104,602.96, 144,291.90 and 64,288.12 is: 88,680.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,602.96 : 144,291.90 = 64,288.12 : x
  2. Step 2: Convert to fraction form
    104,602.96/144,291.90 = 64,288.12/x
  3. Step 3: Cross multiply
    104,602.96x = 144,291.90 × 64,288.12
  4. Step 4: Simplify right side
    104,602.96x = 9,276,254,982.23
  5. Step 5: Solve for x
    x = 9,276,254,982.23/104,602.96
  6. Step 6: Final answer
    x = 88,680.62

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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.