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Finding the Fourth Proportional to 92,681.48, 127,905.96 and 52,399.00

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Solution

The fourth proportional to 92,681.48, 127,905.96 and 52,399.00 is: 72,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,681.48 : 127,905.96 = 52,399.00 : x
  2. Step 2: Convert to fraction form
    92,681.48/127,905.96 = 52,399.00/x
  3. Step 3: Cross multiply
    92,681.48x = 127,905.96 × 52,399.00
  4. Step 4: Simplify right side
    92,681.48x = 6,702,143,496.52
  5. Step 5: Solve for x
    x = 6,702,143,496.52/92,681.48
  6. Step 6: Final answer
    x = 72,313.73

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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.