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Finding the Fourth Proportional to 238,637.36, 329,369.67 and 151,366.01

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Solution

The fourth proportional to 238,637.36, 329,369.67 and 151,366.01 is: 208,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,637.36 : 329,369.67 = 151,366.01 : x
  2. Step 2: Convert to fraction form
    238,637.36/329,369.67 = 151,366.01/x
  3. Step 3: Cross multiply
    238,637.36x = 329,369.67 × 151,366.01
  4. Step 4: Simplify right side
    238,637.36x = 49,855,371,116.07
  5. Step 5: Solve for x
    x = 49,855,371,116.07/238,637.36
  6. Step 6: Final answer
    x = 208,916.88

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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.