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Finding the Fourth Proportional to 96,547.40, 144,821.10 and 93,321.80

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Solution

The fourth proportional to 96,547.40, 144,821.10 and 93,321.80 is: 139,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,547.40 : 144,821.10 = 93,321.80 : x
  2. Step 2: Convert to fraction form
    96,547.40/144,821.10 = 93,321.80/x
  3. Step 3: Cross multiply
    96,547.40x = 144,821.10 × 93,321.80
  4. Step 4: Simplify right side
    96,547.40x = 13,514,965,729.98
  5. Step 5: Solve for x
    x = 13,514,965,729.98/96,547.40
  6. Step 6: Final answer
    x = 139,982.70

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1.5x scale

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.