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Finding the Fourth Proportional to 86,597.61, 119,504.74 and 50,787.76

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Solution

The fourth proportional to 86,597.61, 119,504.74 and 50,787.76 is: 70,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,597.61 : 119,504.74 = 50,787.76 : x
  2. Step 2: Convert to fraction form
    86,597.61/119,504.74 = 50,787.76/x
  3. Step 3: Cross multiply
    86,597.61x = 119,504.74 × 50,787.76
  4. Step 4: Simplify right side
    86,597.61x = 6,069,378,090.39
  5. Step 5: Solve for x
    x = 6,069,378,090.39/86,597.61
  6. Step 6: Final answer
    x = 70,087.13

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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.