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Finding the Fourth Proportional to 171,802.20, 257,367.66 and 118,368.12

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Solution

The fourth proportional to 171,802.20, 257,367.66 and 118,368.12 is: 177,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,802.20 : 257,367.66 = 118,368.12 : x
  2. Step 2: Convert to fraction form
    171,802.20/257,367.66 = 118,368.12/x
  3. Step 3: Cross multiply
    171,802.20x = 257,367.66 × 118,368.12
  4. Step 4: Simplify right side
    171,802.20x = 30,464,126,063.00
  5. Step 5: Solve for x
    x = 30,464,126,063.00/171,802.20
  6. Step 6: Final answer
    x = 177,320.93

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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.