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Finding the Fourth Proportional to 169,904.01, 234,468.41 and 93,428.00

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Solution

The fourth proportional to 169,904.01, 234,468.41 and 93,428.00 is: 128,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,904.01 : 234,468.41 = 93,428.00 : x
  2. Step 2: Convert to fraction form
    169,904.01/234,468.41 = 93,428.00/x
  3. Step 3: Cross multiply
    169,904.01x = 234,468.41 × 93,428.00
  4. Step 4: Simplify right side
    169,904.01x = 21,905,912,970.00
  5. Step 5: Solve for x
    x = 21,905,912,970.00/169,904.01
  6. Step 6: Final answer
    x = 128,931.11

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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.