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Finding the Fourth Proportional to 238,952.77, 358,429.12 and 98,715.04

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Solution

The fourth proportional to 238,952.77, 358,429.12 and 98,715.04 is: 148,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,952.77 : 358,429.12 = 98,715.04 : x
  2. Step 2: Convert to fraction form
    238,952.77/358,429.12 = 98,715.04/x
  3. Step 3: Cross multiply
    238,952.77x = 358,429.12 × 98,715.04
  4. Step 4: Simplify right side
    238,952.77x = 35,382,343,775.10
  5. Step 5: Solve for x
    x = 35,382,343,775.10/238,952.77
  6. Step 6: Final answer
    x = 148,072.54

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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.