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Finding the Fourth Proportional to 94,715.80, 130,724.74 and 56,477.82

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Solution

The fourth proportional to 94,715.80, 130,724.74 and 56,477.82 is: 77,949.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,715.80 : 130,724.74 = 56,477.82 : x
  2. Step 2: Convert to fraction form
    94,715.80/130,724.74 = 56,477.82/x
  3. Step 3: Cross multiply
    94,715.80x = 130,724.74 × 56,477.82
  4. Step 4: Simplify right side
    94,715.80x = 7,383,048,335.27
  5. Step 5: Solve for x
    x = 7,383,048,335.27/94,715.80
  6. Step 6: Final answer
    x = 77,949.49

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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.