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Finding the Fourth Proportional to 117,007.80, 175,511.70 and 97,324.80

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Solution

The fourth proportional to 117,007.80, 175,511.70 and 97,324.80 is: 145,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,007.80 : 175,511.70 = 97,324.80 : x
  2. Step 2: Convert to fraction form
    117,007.80/175,511.70 = 97,324.80/x
  3. Step 3: Cross multiply
    117,007.80x = 175,511.70 × 97,324.80
  4. Step 4: Simplify right side
    117,007.80x = 17,081,641,100.16
  5. Step 5: Solve for x
    x = 17,081,641,100.16/117,007.80
  6. Step 6: Final answer
    x = 145,987.20

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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.