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Finding the Fourth Proportional to 92,952.50, 128,270.94 and 50,510.12

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Solution

The fourth proportional to 92,952.50, 128,270.94 and 50,510.12 is: 69,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,952.50 : 128,270.94 = 50,510.12 : x
  2. Step 2: Convert to fraction form
    92,952.50/128,270.94 = 50,510.12/x
  3. Step 3: Cross multiply
    92,952.50x = 128,270.94 × 50,510.12
  4. Step 4: Simplify right side
    92,952.50x = 6,478,980,571.91
  5. Step 5: Solve for x
    x = 6,478,980,571.91/92,952.50
  6. Step 6: Final answer
    x = 69,702.06

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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.