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Finding the Fourth Proportional to 88,130.93, 132,168.36 and 28,952.87

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Solution

The fourth proportional to 88,130.93, 132,168.36 and 28,952.87 is: 43,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,130.93 : 132,168.36 = 28,952.87 : x
  2. Step 2: Convert to fraction form
    88,130.93/132,168.36 = 28,952.87/x
  3. Step 3: Cross multiply
    88,130.93x = 132,168.36 × 28,952.87
  4. Step 4: Simplify right side
    88,130.93x = 3,826,653,345.19
  5. Step 5: Solve for x
    x = 3,826,653,345.19/88,130.93
  6. Step 6: Final answer
    x = 43,420.09

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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.