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Finding the Fourth Proportional to 113,006, 169,509.02 and 88,064.72

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Solution

The fourth proportional to 113,006, 169,509.02 and 88,064.72 is: 132,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,006 : 169,509.02 = 88,064.72 : x
  2. Step 2: Convert to fraction form
    113,006/169,509.02 = 88,064.72/x
  3. Step 3: Cross multiply
    113,006x = 169,509.02 × 88,064.72
  4. Step 4: Simplify right side
    113,006x = 14,927,764,383.77
  5. Step 5: Solve for x
    x = 14,927,764,383.77/113,006
  6. Step 6: Final answer
    x = 132,097.10

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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.