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Finding the Fourth Proportional to 124,715.49, 171,757.49 and 116,710.89

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Solution

The fourth proportional to 124,715.49, 171,757.49 and 116,710.89 is: 160,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.49 : 171,757.49 = 116,710.89 : x
  2. Step 2: Convert to fraction form
    124,715.49/171,757.49 = 116,710.89/x
  3. Step 3: Cross multiply
    124,715.49x = 171,757.49 × 116,710.89
  4. Step 4: Simplify right side
    124,715.49x = 20,045,969,522.07
  5. Step 5: Solve for x
    x = 20,045,969,522.07/124,715.49
  6. Step 6: Final answer
    x = 160,733.60

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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.