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Finding the Fourth Proportional to 177,852.77, 266,779.14 and 72,671.63

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Solution

The fourth proportional to 177,852.77, 266,779.14 and 72,671.63 is: 109,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,852.77 : 266,779.14 = 72,671.63 : x
  2. Step 2: Convert to fraction form
    177,852.77/266,779.14 = 72,671.63/x
  3. Step 3: Cross multiply
    177,852.77x = 266,779.14 × 72,671.63
  4. Step 4: Simplify right side
    177,852.77x = 19,387,274,953.80
  5. Step 5: Solve for x
    x = 19,387,274,953.80/177,852.77
  6. Step 6: Final answer
    x = 109,007.44

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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.