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Finding the Fourth Proportional to 86,765.63, 119,737.46 and 50,956.23

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Solution

The fourth proportional to 86,765.63, 119,737.46 and 50,956.23 is: 70,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,765.63 : 119,737.46 = 50,956.23 : x
  2. Step 2: Convert to fraction form
    86,765.63/119,737.46 = 50,956.23/x
  3. Step 3: Cross multiply
    86,765.63x = 119,737.46 × 50,956.23
  4. Step 4: Simplify right side
    86,765.63x = 6,101,369,678.77
  5. Step 5: Solve for x
    x = 6,101,369,678.77/86,765.63
  6. Step 6: Final answer
    x = 70,320.13

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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.