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Finding the Fourth Proportional to 94,887.84, 130,923.63 and 56,659.77

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Solution

The fourth proportional to 94,887.84, 130,923.63 and 56,659.77 is: 78,177.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,887.84 : 130,923.63 = 56,659.77 : x
  2. Step 2: Convert to fraction form
    94,887.84/130,923.63 = 56,659.77/x
  3. Step 3: Cross multiply
    94,887.84x = 130,923.63 × 56,659.77
  4. Step 4: Simplify right side
    94,887.84x = 7,418,102,763.37
  5. Step 5: Solve for x
    x = 7,418,102,763.37/94,887.84
  6. Step 6: Final answer
    x = 78,177.59

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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.