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Finding the Fourth Proportional to 163,006.70, 224,950.05 and 95,070.78

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Solution

The fourth proportional to 163,006.70, 224,950.05 and 95,070.78 is: 131,198.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,006.70 : 224,950.05 = 95,070.78 : x
  2. Step 2: Convert to fraction form
    163,006.70/224,950.05 = 95,070.78/x
  3. Step 3: Cross multiply
    163,006.70x = 224,950.05 × 95,070.78
  4. Step 4: Simplify right side
    163,006.70x = 21,386,176,714.54
  5. Step 5: Solve for x
    x = 21,386,176,714.54/163,006.70
  6. Step 6: Final answer
    x = 131,198.15

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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.