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Finding the Fourth Proportional to 114,636.98, 171,024.59 and 108,436.66

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Solution

The fourth proportional to 114,636.98, 171,024.59 and 108,436.66 is: 161,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,636.98 : 171,024.59 = 108,436.66 : x
  2. Step 2: Convert to fraction form
    114,636.98/171,024.59 = 108,436.66/x
  3. Step 3: Cross multiply
    114,636.98x = 171,024.59 × 108,436.66
  4. Step 4: Simplify right side
    114,636.98x = 18,545,334,775.29
  5. Step 5: Solve for x
    x = 18,545,334,775.29/114,636.98
  6. Step 6: Final answer
    x = 161,774.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.