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Finding the Fourth Proportional to 98,623.30, 147,934.95 and 98,623.30

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Solution

The fourth proportional to 98,623.30, 147,934.95 and 98,623.30 is: 147,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.30 : 147,934.95 = 98,623.30 : x
  2. Step 2: Convert to fraction form
    98,623.30/147,934.95 = 98,623.30/x
  3. Step 3: Cross multiply
    98,623.30x = 147,934.95 × 98,623.30
  4. Step 4: Simplify right side
    98,623.30x = 14,589,832,954.34
  5. Step 5: Solve for x
    x = 14,589,832,954.34/98,623.30
  6. Step 6: Final answer
    x = 147,934.95

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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.