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Finding the Fourth Proportional to 77,656.43, 116,399.41 and 44,303.76

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Solution

The fourth proportional to 77,656.43, 116,399.41 and 44,303.76 is: 66,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,656.43 : 116,399.41 = 44,303.76 : x
  2. Step 2: Convert to fraction form
    77,656.43/116,399.41 = 44,303.76/x
  3. Step 3: Cross multiply
    77,656.43x = 116,399.41 × 44,303.76
  4. Step 4: Simplify right side
    77,656.43x = 5,156,931,524.78
  5. Step 5: Solve for x
    x = 5,156,931,524.78/77,656.43
  6. Step 6: Final answer
    x = 66,407.01

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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.