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Finding the Fourth Proportional to 88,133.87, 132,069.54 and 48,702.26

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Solution

The fourth proportional to 88,133.87, 132,069.54 and 48,702.26 is: 72,980.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.87 : 132,069.54 = 48,702.26 : x
  2. Step 2: Convert to fraction form
    88,133.87/132,069.54 = 48,702.26/x
  3. Step 3: Cross multiply
    88,133.87x = 132,069.54 × 48,702.26
  4. Step 4: Simplify right side
    88,133.87x = 6,432,085,075.16
  5. Step 5: Solve for x
    x = 6,432,085,075.16/88,133.87
  6. Step 6: Final answer
    x = 72,980.85

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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.