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Finding the Fourth Proportional to 92,952.32, 128,274.98 and 50,510.88

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Solution

The fourth proportional to 92,952.32, 128,274.98 and 50,510.88 is: 69,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,952.32 : 128,274.98 = 50,510.88 : x
  2. Step 2: Convert to fraction form
    92,952.32/128,274.98 = 50,510.88/x
  3. Step 3: Cross multiply
    92,952.32x = 128,274.98 × 50,510.88
  4. Step 4: Simplify right side
    92,952.32x = 6,479,282,121.78
  5. Step 5: Solve for x
    x = 6,479,282,121.78/92,952.32
  6. Step 6: Final answer
    x = 69,705.44

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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.