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Finding the Fourth Proportional to 71,547.99, 98,739.66 and 41,337.32

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Solution

The fourth proportional to 71,547.99, 98,739.66 and 41,337.32 is: 57,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,547.99 : 98,739.66 = 41,337.32 : x
  2. Step 2: Convert to fraction form
    71,547.99/98,739.66 = 41,337.32/x
  3. Step 3: Cross multiply
    71,547.99x = 98,739.66 × 41,337.32
  4. Step 4: Simplify right side
    71,547.99x = 4,081,632,428.41
  5. Step 5: Solve for x
    x = 4,081,632,428.41/71,547.99
  6. Step 6: Final answer
    x = 57,047.48

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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.