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Finding the Fourth Proportional to 162,779.40, 224,648.82 and 93,891.24

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Solution

The fourth proportional to 162,779.40, 224,648.82 and 93,891.24 is: 129,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,779.40 : 224,648.82 = 93,891.24 : x
  2. Step 2: Convert to fraction form
    162,779.40/224,648.82 = 93,891.24/x
  3. Step 3: Cross multiply
    162,779.40x = 224,648.82 × 93,891.24
  4. Step 4: Simplify right side
    162,779.40x = 21,092,556,274.34
  5. Step 5: Solve for x
    x = 21,092,556,274.34/162,779.40
  6. Step 6: Final answer
    x = 129,577.55

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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.