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Finding the Fourth Proportional to 94,714.80, 130,723.37 and 56,476.81

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Solution

The fourth proportional to 94,714.80, 130,723.37 and 56,476.81 is: 77,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,714.80 : 130,723.37 = 56,476.81 : x
  2. Step 2: Convert to fraction form
    94,714.80/130,723.37 = 56,476.81/x
  3. Step 3: Cross multiply
    94,714.80x = 130,723.37 × 56,476.81
  4. Step 4: Simplify right side
    94,714.80x = 7,382,838,930.05
  5. Step 5: Solve for x
    x = 7,382,838,930.05/94,714.80
  6. Step 6: Final answer
    x = 77,948.10

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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.