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Finding the Fourth Proportional to 94,868.75, 130,907.72 and 52,424.75

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Solution

The fourth proportional to 94,868.75, 130,907.72 and 52,424.75 is: 72,339.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,868.75 : 130,907.72 = 52,424.75 : x
  2. Step 2: Convert to fraction form
    94,868.75/130,907.72 = 52,424.75/x
  3. Step 3: Cross multiply
    94,868.75x = 130,907.72 × 52,424.75
  4. Step 4: Simplify right side
    94,868.75x = 6,862,803,577.41
  5. Step 5: Solve for x
    x = 6,862,803,577.41/94,868.75
  6. Step 6: Final answer
    x = 72,339.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.