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Finding the Fourth Proportional to 113,113.94, 169,742.40 and 63,226.76

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Solution

The fourth proportional to 113,113.94, 169,742.40 and 63,226.76 is: 94,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,113.94 : 169,742.40 = 63,226.76 : x
  2. Step 2: Convert to fraction form
    113,113.94/169,742.40 = 63,226.76/x
  3. Step 3: Cross multiply
    113,113.94x = 169,742.40 × 63,226.76
  4. Step 4: Simplify right side
    113,113.94x = 10,732,262,211.26
  5. Step 5: Solve for x
    x = 10,732,262,211.26/113,113.94
  6. Step 6: Final answer
    x = 94,880.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.