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Finding the Fourth Proportional to 169,817.16, 234,350.12 and 93,343.34

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Solution

The fourth proportional to 169,817.16, 234,350.12 and 93,343.34 is: 128,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,817.16 : 234,350.12 = 93,343.34 : x
  2. Step 2: Convert to fraction form
    169,817.16/234,350.12 = 93,343.34/x
  3. Step 3: Cross multiply
    169,817.16x = 234,350.12 × 93,343.34
  4. Step 4: Simplify right side
    169,817.16x = 21,875,021,291.73
  5. Step 5: Solve for x
    x = 21,875,021,291.73/169,817.16
  6. Step 6: Final answer
    x = 128,815.14

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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.