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Finding the Fourth Proportional to 109,092.71, 150,547.00 and 61,345.04

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Solution

The fourth proportional to 109,092.71, 150,547.00 and 61,345.04 is: 84,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,092.71 : 150,547.00 = 61,345.04 : x
  2. Step 2: Convert to fraction form
    109,092.71/150,547.00 = 61,345.04/x
  3. Step 3: Cross multiply
    109,092.71x = 150,547.00 × 61,345.04
  4. Step 4: Simplify right side
    109,092.71x = 9,235,310,677.42
  5. Step 5: Solve for x
    x = 9,235,310,677.42/109,092.71
  6. Step 6: Final answer
    x = 84,655.62

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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.