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Finding the Fourth Proportional to 93,859.25, 129,525.77 and 56,133.50

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Solution

The fourth proportional to 93,859.25, 129,525.77 and 56,133.50 is: 77,464.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,859.25 : 129,525.77 = 56,133.50 : x
  2. Step 2: Convert to fraction form
    93,859.25/129,525.77 = 56,133.50/x
  3. Step 3: Cross multiply
    93,859.25x = 129,525.77 × 56,133.50
  4. Step 4: Simplify right side
    93,859.25x = 7,270,734,529.63
  5. Step 5: Solve for x
    x = 7,270,734,529.63/93,859.25
  6. Step 6: Final answer
    x = 77,464.23

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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.