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Finding the Fourth Proportional to 239,208.40, 358,812.60 and 97,053.40

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Solution

The fourth proportional to 239,208.40, 358,812.60 and 97,053.40 is: 145,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,208.40 : 358,812.60 = 97,053.40 : x
  2. Step 2: Convert to fraction form
    239,208.40/358,812.60 = 97,053.40/x
  3. Step 3: Cross multiply
    239,208.40x = 358,812.60 × 97,053.40
  4. Step 4: Simplify right side
    239,208.40x = 34,823,982,792.84
  5. Step 5: Solve for x
    x = 34,823,982,792.84/239,208.40
  6. Step 6: Final answer
    x = 145,580.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.