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Finding the Fourth Proportional to 75,329.65, 103,929.16 and 43,041.10

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Solution

The fourth proportional to 75,329.65, 103,929.16 and 43,041.10 is: 59,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.65 : 103,929.16 = 43,041.10 : x
  2. Step 2: Convert to fraction form
    75,329.65/103,929.16 = 43,041.10/x
  3. Step 3: Cross multiply
    75,329.65x = 103,929.16 × 43,041.10
  4. Step 4: Simplify right side
    75,329.65x = 4,473,225,165.90
  5. Step 5: Solve for x
    x = 4,473,225,165.90/75,329.65
  6. Step 6: Final answer
    x = 59,382.00

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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.