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Finding the Fourth Proportional to 72,950.47, 109,425.67 and 56,334.73

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Solution

The fourth proportional to 72,950.47, 109,425.67 and 56,334.73 is: 84,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,950.47 : 109,425.67 = 56,334.73 : x
  2. Step 2: Convert to fraction form
    72,950.47/109,425.67 = 56,334.73/x
  3. Step 3: Cross multiply
    72,950.47x = 109,425.67 × 56,334.73
  4. Step 4: Simplify right side
    72,950.47x = 6,164,465,574.52
  5. Step 5: Solve for x
    x = 6,164,465,574.52/72,950.47
  6. Step 6: Final answer
    x = 84,502.07

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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.