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Finding the Fourth Proportional to 86,734.77, 119,698.57 and 52,737.63

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Solution

The fourth proportional to 86,734.77, 119,698.57 and 52,737.63 is: 72,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,734.77 : 119,698.57 = 52,737.63 : x
  2. Step 2: Convert to fraction form
    86,734.77/119,698.57 = 52,737.63/x
  3. Step 3: Cross multiply
    86,734.77x = 119,698.57 × 52,737.63
  4. Step 4: Simplify right side
    86,734.77x = 6,312,618,632.50
  5. Step 5: Solve for x
    x = 6,312,618,632.50/86,734.77
  6. Step 6: Final answer
    x = 72,780.72

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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.