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Finding the Fourth Proportional to 104,494.73, 144,246.84 and 70,549.17

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Solution

The fourth proportional to 104,494.73, 144,246.84 and 70,549.17 is: 97,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,494.73 : 144,246.84 = 70,549.17 : x
  2. Step 2: Convert to fraction form
    104,494.73/144,246.84 = 70,549.17/x
  3. Step 3: Cross multiply
    104,494.73x = 144,246.84 × 70,549.17
  4. Step 4: Simplify right side
    104,494.73x = 10,176,494,837.12
  5. Step 5: Solve for x
    x = 10,176,494,837.12/104,494.73
  6. Step 6: Final answer
    x = 97,387.64

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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.