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Finding the Fourth Proportional to 67,130, 92,643.24 and 37,323.92

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Solution

The fourth proportional to 67,130, 92,643.24 and 37,323.92 is: 51,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130 : 92,643.24 = 37,323.92 : x
  2. Step 2: Convert to fraction form
    67,130/92,643.24 = 37,323.92/x
  3. Step 3: Cross multiply
    67,130x = 92,643.24 × 37,323.92
  4. Step 4: Simplify right side
    67,130x = 3,457,808,878.30
  5. Step 5: Solve for x
    x = 3,457,808,878.30/67,130
  6. Step 6: Final answer
    x = 51,509.14

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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.