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Finding the Fourth Proportional to 180,243.74, 248,737.98 and 99,676.72

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Solution

The fourth proportional to 180,243.74, 248,737.98 and 99,676.72 is: 137,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,243.74 : 248,737.98 = 99,676.72 : x
  2. Step 2: Convert to fraction form
    180,243.74/248,737.98 = 99,676.72/x
  3. Step 3: Cross multiply
    180,243.74x = 248,737.98 × 99,676.72
  4. Step 4: Simplify right side
    180,243.74x = 24,793,385,985.83
  5. Step 5: Solve for x
    x = 24,793,385,985.83/180,243.74
  6. Step 6: Final answer
    x = 137,554.77

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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.