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Finding the Fourth Proportional to 92,495.48, 127,643.88 and 50,054.01

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Solution

The fourth proportional to 92,495.48, 127,643.88 and 50,054.01 is: 69,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.48 : 127,643.88 = 50,054.01 : x
  2. Step 2: Convert to fraction form
    92,495.48/127,643.88 = 50,054.01/x
  3. Step 3: Cross multiply
    92,495.48x = 127,643.88 × 50,054.01
  4. Step 4: Simplify right side
    92,495.48x = 6,389,088,045.96
  5. Step 5: Solve for x
    x = 6,389,088,045.96/92,495.48
  6. Step 6: Final answer
    x = 69,074.60

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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.