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Finding the Fourth Proportional to 92,449.59, 127,596.09 and 53,681.40

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Solution

The fourth proportional to 92,449.59, 127,596.09 and 53,681.40 is: 74,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,449.59 : 127,596.09 = 53,681.40 : x
  2. Step 2: Convert to fraction form
    92,449.59/127,596.09 = 53,681.40/x
  3. Step 3: Cross multiply
    92,449.59x = 127,596.09 × 53,681.40
  4. Step 4: Simplify right side
    92,449.59x = 6,849,536,947.03
  5. Step 5: Solve for x
    x = 6,849,536,947.03/92,449.59
  6. Step 6: Final answer
    x = 74,089.43

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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.