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Finding the Fourth Proportional to 176,107.56, 264,160.42 and 42,988.51

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Solution

The fourth proportional to 176,107.56, 264,160.42 and 42,988.51 is: 64,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,107.56 : 264,160.42 = 42,988.51 : x
  2. Step 2: Convert to fraction form
    176,107.56/264,160.42 = 42,988.51/x
  3. Step 3: Cross multiply
    176,107.56x = 264,160.42 × 42,988.51
  4. Step 4: Simplify right side
    176,107.56x = 11,355,862,856.77
  5. Step 5: Solve for x
    x = 11,355,862,856.77/176,107.56
  6. Step 6: Final answer
    x = 64,482.54

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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.