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Finding the Fourth Proportional to 177,677.34, 244,779.01 and 123,866.20

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Solution

The fourth proportional to 177,677.34, 244,779.01 and 123,866.20 is: 170,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,677.34 : 244,779.01 = 123,866.20 : x
  2. Step 2: Convert to fraction form
    177,677.34/244,779.01 = 123,866.20/x
  3. Step 3: Cross multiply
    177,677.34x = 244,779.01 × 123,866.20
  4. Step 4: Simplify right side
    177,677.34x = 30,319,845,808.46
  5. Step 5: Solve for x
    x = 30,319,845,808.46/177,677.34
  6. Step 6: Final answer
    x = 170,645.54

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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.