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Finding the Fourth Proportional to 85,008.84, 127,365.48 and 59,654.58

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Solution

The fourth proportional to 85,008.84, 127,365.48 and 59,654.58 is: 89,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,008.84 : 127,365.48 = 59,654.58 : x
  2. Step 2: Convert to fraction form
    85,008.84/127,365.48 = 59,654.58/x
  3. Step 3: Cross multiply
    85,008.84x = 127,365.48 × 59,654.58
  4. Step 4: Simplify right side
    85,008.84x = 7,597,934,215.90
  5. Step 5: Solve for x
    x = 7,597,934,215.90/85,008.84
  6. Step 6: Final answer
    x = 89,378.17

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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.