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Finding the Fourth Proportional to 169,520.87, 233,941.77 and 93,047.12

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Solution

The fourth proportional to 169,520.87, 233,941.77 and 93,047.12 is: 128,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,520.87 : 233,941.77 = 93,047.12 : x
  2. Step 2: Convert to fraction form
    169,520.87/233,941.77 = 93,047.12/x
  3. Step 3: Cross multiply
    169,520.87x = 233,941.77 × 93,047.12
  4. Step 4: Simplify right side
    169,520.87x = 21,767,607,946.20
  5. Step 5: Solve for x
    x = 21,767,607,946.20/169,520.87
  6. Step 6: Final answer
    x = 128,406.66

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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.