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Finding the Fourth Proportional to 92,089.88, 127,084.64 and 51,803.32

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Solution

The fourth proportional to 92,089.88, 127,084.64 and 51,803.32 is: 71,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,089.88 : 127,084.64 = 51,803.32 : x
  2. Step 2: Convert to fraction form
    92,089.88/127,084.64 = 51,803.32/x
  3. Step 3: Cross multiply
    92,089.88x = 127,084.64 × 51,803.32
  4. Step 4: Simplify right side
    92,089.88x = 6,583,406,273.00
  5. Step 5: Solve for x
    x = 6,583,406,273.00/92,089.88
  6. Step 6: Final answer
    x = 71,488.92

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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.