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Finding the Fourth Proportional to 94,745.88, 130,748.51 and 52,303.50

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Solution

The fourth proportional to 94,745.88, 130,748.51 and 52,303.50 is: 72,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,745.88 : 130,748.51 = 52,303.50 : x
  2. Step 2: Convert to fraction form
    94,745.88/130,748.51 = 52,303.50/x
  3. Step 3: Cross multiply
    94,745.88x = 130,748.51 × 52,303.50
  4. Step 4: Simplify right side
    94,745.88x = 6,838,604,431.27
  5. Step 5: Solve for x
    x = 6,838,604,431.27/94,745.88
  6. Step 6: Final answer
    x = 72,178.38

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1.5x scale

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.