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Finding the Fourth Proportional to 101,359.98, 139,862.48 and 58,323.11

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Solution

The fourth proportional to 101,359.98, 139,862.48 and 58,323.11 is: 80,477.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,359.98 : 139,862.48 = 58,323.11 : x
  2. Step 2: Convert to fraction form
    101,359.98/139,862.48 = 58,323.11/x
  3. Step 3: Cross multiply
    101,359.98x = 139,862.48 × 58,323.11
  4. Step 4: Simplify right side
    101,359.98x = 8,157,213,814.98
  5. Step 5: Solve for x
    x = 8,157,213,814.98/101,359.98
  6. Step 6: Final answer
    x = 80,477.66

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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.