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Finding the Fourth Proportional to 73,470.66, 101,431.17 and 56,210.58

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Solution

The fourth proportional to 73,470.66, 101,431.17 and 56,210.58 is: 77,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,470.66 : 101,431.17 = 56,210.58 : x
  2. Step 2: Convert to fraction form
    73,470.66/101,431.17 = 56,210.58/x
  3. Step 3: Cross multiply
    73,470.66x = 101,431.17 × 56,210.58
  4. Step 4: Simplify right side
    73,470.66x = 5,701,504,895.78
  5. Step 5: Solve for x
    x = 5,701,504,895.78/73,470.66
  6. Step 6: Final answer
    x = 77,602.47

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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.