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Finding the Fourth Proportional to 76,133.70, 114,200.55 and 46,609.20

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Solution

The fourth proportional to 76,133.70, 114,200.55 and 46,609.20 is: 69,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,133.70 : 114,200.55 = 46,609.20 : x
  2. Step 2: Convert to fraction form
    76,133.70/114,200.55 = 46,609.20/x
  3. Step 3: Cross multiply
    76,133.70x = 114,200.55 × 46,609.20
  4. Step 4: Simplify right side
    76,133.70x = 5,322,796,275.06
  5. Step 5: Solve for x
    x = 5,322,796,275.06/76,133.70
  6. Step 6: Final answer
    x = 69,913.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.