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Finding the Fourth Proportional to 172,275.66, 237,741.48 and 99,676.98

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Solution

The fourth proportional to 172,275.66, 237,741.48 and 99,676.98 is: 137,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,275.66 : 237,741.48 = 99,676.98 : x
  2. Step 2: Convert to fraction form
    172,275.66/237,741.48 = 99,676.98/x
  3. Step 3: Cross multiply
    172,275.66x = 237,741.48 × 99,676.98
  4. Step 4: Simplify right side
    172,275.66x = 23,697,352,747.13
  5. Step 5: Solve for x
    x = 23,697,352,747.13/172,275.66
  6. Step 6: Final answer
    x = 137,554.85

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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.