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Finding the Fourth Proportional to 169,897.55, 234,453.60 and 93,416.76

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Solution

The fourth proportional to 169,897.55, 234,453.60 and 93,416.76 is: 128,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,897.55 : 234,453.60 = 93,416.76 : x
  2. Step 2: Convert to fraction form
    169,897.55/234,453.60 = 93,416.76/x
  3. Step 3: Cross multiply
    169,897.55x = 234,453.60 × 93,416.76
  4. Step 4: Simplify right side
    169,897.55x = 21,901,895,682.34
  5. Step 5: Solve for x
    x = 21,901,895,682.34/169,897.55
  6. Step 6: Final answer
    x = 128,912.37

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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.