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Finding the Fourth Proportional to 96,547.68, 133,239.60 and 54,105.84

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Solution

The fourth proportional to 96,547.68, 133,239.60 and 54,105.84 is: 74,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,547.68 : 133,239.60 = 54,105.84 : x
  2. Step 2: Convert to fraction form
    96,547.68/133,239.60 = 54,105.84/x
  3. Step 3: Cross multiply
    96,547.68x = 133,239.60 × 54,105.84
  4. Step 4: Simplify right side
    96,547.68x = 7,209,040,479.26
  5. Step 5: Solve for x
    x = 7,209,040,479.26/96,547.68
  6. Step 6: Final answer
    x = 74,668.19

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1.5x scale

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.