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Finding the Fourth Proportional to 186,570.36, 279,937.98 and 97,802.64

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Solution

The fourth proportional to 186,570.36, 279,937.98 and 97,802.64 is: 146,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,570.36 : 279,937.98 = 97,802.64 : x
  2. Step 2: Convert to fraction form
    186,570.36/279,937.98 = 97,802.64/x
  3. Step 3: Cross multiply
    186,570.36x = 279,937.98 × 97,802.64
  4. Step 4: Simplify right side
    186,570.36x = 27,378,673,480.27
  5. Step 5: Solve for x
    x = 27,378,673,480.27/186,570.36
  6. Step 6: Final answer
    x = 146,747.18

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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.