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Finding the Fourth Proportional to 86,637.96, 119,560.95 and 50,828.76

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Solution

The fourth proportional to 86,637.96, 119,560.95 and 50,828.76 is: 70,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,637.96 : 119,560.95 = 50,828.76 : x
  2. Step 2: Convert to fraction form
    86,637.96/119,560.95 = 50,828.76/x
  3. Step 3: Cross multiply
    86,637.96x = 119,560.95 × 50,828.76
  4. Step 4: Simplify right side
    86,637.96x = 6,077,134,832.92
  5. Step 5: Solve for x
    x = 6,077,134,832.92/86,637.96
  6. Step 6: Final answer
    x = 70,144.02

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Double scale
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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.