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Finding the Fourth Proportional to 94,758.75, 130,708.13 and 56,491.71

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Solution

The fourth proportional to 94,758.75, 130,708.13 and 56,491.71 is: 77,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,758.75 : 130,708.13 = 56,491.71 : x
  2. Step 2: Convert to fraction form
    94,758.75/130,708.13 = 56,491.71/x
  3. Step 3: Cross multiply
    94,758.75x = 130,708.13 × 56,491.71
  4. Step 4: Simplify right side
    94,758.75x = 7,383,925,492.14
  5. Step 5: Solve for x
    x = 7,383,925,492.14/94,758.75
  6. Step 6: Final answer
    x = 77,923.42

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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.