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Finding the Fourth Proportional to 76,323.65, 105,204.98 and 60,164.63

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Solution

The fourth proportional to 76,323.65, 105,204.98 and 60,164.63 is: 82,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,323.65 : 105,204.98 = 60,164.63 : x
  2. Step 2: Convert to fraction form
    76,323.65/105,204.98 = 60,164.63/x
  3. Step 3: Cross multiply
    76,323.65x = 105,204.98 × 60,164.63
  4. Step 4: Simplify right side
    76,323.65x = 6,329,618,695.86
  5. Step 5: Solve for x
    x = 6,329,618,695.86/76,323.65
  6. Step 6: Final answer
    x = 82,931.29

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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.