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Finding the Fourth Proportional to 170,357.90, 235,093.42 and 93,876.98

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Solution

The fourth proportional to 170,357.90, 235,093.42 and 93,876.98 is: 129,549.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,357.90 : 235,093.42 = 93,876.98 : x
  2. Step 2: Convert to fraction form
    170,357.90/235,093.42 = 93,876.98/x
  3. Step 3: Cross multiply
    170,357.90x = 235,093.42 × 93,876.98
  4. Step 4: Simplify right side
    170,357.90x = 22,069,859,779.62
  5. Step 5: Solve for x
    x = 22,069,859,779.62/170,357.90
  6. Step 6: Final answer
    x = 129,549.96

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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.