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Finding the Fourth Proportional to 172,005.56, 237,367.50 and 96,554.20

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Solution

The fourth proportional to 172,005.56, 237,367.50 and 96,554.20 is: 133,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,005.56 : 237,367.50 = 96,554.20 : x
  2. Step 2: Convert to fraction form
    172,005.56/237,367.50 = 96,554.20/x
  3. Step 3: Cross multiply
    172,005.56x = 237,367.50 × 96,554.20
  4. Step 4: Simplify right side
    172,005.56x = 22,918,829,068.50
  5. Step 5: Solve for x
    x = 22,918,829,068.50/172,005.56
  6. Step 6: Final answer
    x = 133,244.70

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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.